76688696070 has 72 divisors (see below), whose sum is σ = 231944192064. Its totient is φ = 17528843808.

The previous prime is 76688696053. The next prime is 76688696081. The reversal of 76688696070 is 7069688667.

It is a super-2 number, since 2×76688696070² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 76688695989 and 76688696007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8690454 + ... + 8699273.

It is an arithmetic number, because the mean of its divisors is an integer number (3221447112).

Almost surely, 2^76688696070 is an apocalyptic number.

76688696070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76688696070 is an abundant number, since it is smaller than the sum of its proper divisors (155255495994).

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

76688696070 is a wasteful number, since it uses less digits than its factorization.

76688696070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389754 (or 17389744 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 76688696070 in words is "seventy-six billion, six hundred eighty-eight million, six hundred ninety-six thousand, seventy".