86217623604 has 36 divisors (see below), whose sum is σ = 249073135584. Its totient is φ = 24633606672.

The previous prime is 86217623551. The next prime is 86217623641. The reversal of 86217623604 is 40632671268.

86217623604 is a `hidden beast` number, since 8 + 6 + 2 + 17 + 6 + 23 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86217623604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171066462 + ... + 171066965.

Almost surely, 2^86217623604 is an apocalyptic number.

86217623604 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86217623604 is an abundant number, since it is smaller than the sum of its proper divisors (162855511980).

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

86217623604 is a wasteful number, since it uses less digits than its factorization.

86217623604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342133444 (or 342133439 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 86217623604 in words is "eighty-six billion, two hundred seventeen million, six hundred twenty-three thousand, six hundred four".