86720929998 has 32 divisors (see below), whose sum is σ = 173961216000. Its totient is φ = 28820481696.

The previous prime is 86720929973. The next prime is 86720930011. The reversal of 86720929998 is 89992902768.

It is a super-4 number, since 4×86720929998⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6769203 + ... + 6782001.

It is an arithmetic number, because the mean of its divisors is an integer number (5436288000).

Almost surely, 2^86720929998 is an apocalyptic number.

86720929998 is an abundant number, since it is smaller than the sum of its proper divisors (87240286002).

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

86720929998 is a wasteful number, since it uses less digits than its factorization.

86720929998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 86720929998 in words is "eighty-six billion, seven hundred twenty million, nine hundred twenty-nine thousand, nine hundred ninety-eight".