86917905910 has 16 divisors (see below), whose sum is σ = 170675160912. Its totient is φ = 31606511200.

The previous prime is 86917905887. The next prime is 86917905911. The reversal of 86917905910 is 1950971968.

It is a super-2 number, since 2×86917905910² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86917905911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395081281 + ... + 395081500.

It is an arithmetic number, because the mean of its divisors is an integer number (10667197557).

Almost surely, 2^86917905910 is an apocalyptic number.

86917905910 is a deficient number, since it is larger than the sum of its proper divisors (83757255002).

86917905910 is a wasteful number, since it uses less digits than its factorization.

86917905910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790162799.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The spelling of 86917905910 in words is "eighty-six billion, nine hundred seventeen million, nine hundred five thousand, nine hundred ten".