86699677698 has 32 divisors (see below), whose sum is σ = 194830747200. Its totient is φ = 28575173088.

The previous prime is 86699677643. The next prime is 86699677699. The reversal of 86699677698 is 89677699668.

It is a super-2 number, since 2×86699677698² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86699677699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015136 + ... + 9024747.

It is an arithmetic number, because the mean of its divisors is an integer number (6088460850).

Almost surely, 2^86699677698 is an apocalyptic number.

86699677698 is an abundant number, since it is smaller than the sum of its proper divisors (108131069502).

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

86699677698 is a wasteful number, since it uses less digits than its factorization.

86699677698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18039983 (or 18039977 counting only the distinct ones).

The product of its digits is 2962842624, while the sum is 81.

The spelling of 86699677698 in words is "eighty-six billion, six hundred ninety-nine million, six hundred seventy-seven thousand, six hundred ninety-eight".