9690771037770 has 48 divisors (see below), whose sum is σ = 25196310739080. Its totient is φ = 2584174221312.

The previous prime is 9690771037763. The next prime is 9690771037777. The reversal of 9690771037770 is 777301770969.

9690771037770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9690771037763) and next prime (9690771037777).

It can be written as a sum of positive squares in 4 ways, for example, as 9659682648009 + 31088389761 = 3108003^2 + 176319^2 .

It is a super-2 number, since 2×9690771037770² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9690771037698 and 9690771037707.

It is not an unprimeable number, because it can be changed into a prime (9690771037777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7336222 + ... + 8555798.

Almost surely, 2^{9690771037770} is an apocalyptic number.

9690771037770 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9690771037770 is an abundant number, since it is smaller than the sum of its proper divisors (15505539701310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9690771037770 is a wasteful number, since it uses less digits than its factorization.

9690771037770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307879 (or 1307876 counting only the distinct ones).

The product of its (nonzero) digits is 24504606, while the sum is 63.

The spelling of 9690771037770 in words is "nine trillion, six hundred ninety billion, seven hundred seventy-one million, thirty-seven thousand, seven hundred seventy".