97794706536 has 96 divisors (see below), whose sum is σ = 274809225600. Its totient is φ = 32581751040.

The previous prime is 97794706531. The next prime is 97794706567. The reversal of 97794706536 is 63560749779.

97794706536 is a `hidden beast` number, since 9 + 7 + 7 + 94 + 7 + 0 + 6 + 536 = 666.

It is a super-2 number, since 2×97794706536² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97794706531) 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, 4189345 + ... + 4212623.

It is an arithmetic number, because the mean of its divisors is an integer number (2862596100).

Almost surely, 2^97794706536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97794706536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137404612800).

97794706536 is an abundant number, since it is smaller than the sum of its proper divisors (177014519064).

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

97794706536 is a wasteful number, since it uses less digits than its factorization.

97794706536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25461 (or 25445 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 63.

The spelling of 97794706536 in words is "ninety-seven billion, seven hundred ninety-four million, seven hundred six thousand, five hundred thirty-six".