86704117555 has 48 divisors (see below), whose sum is σ = 115541717760. Its totient is φ = 62411328320.

The previous prime is 86704117529. The next prime is 86704117559. The reversal of 86704117555 is 55571140768.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-86704117555 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86704117499 and 86704117508.

It is not an unprimeable number, because it can be changed into a prime (86704117559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24581202 + ... + 24584728.

It is an arithmetic number, because the mean of its divisors is an integer number (2407119120).

Almost surely, 2^86704117555 is an apocalyptic number.

86704117555 is a deficient number, since it is larger than the sum of its proper divisors (28837600205).

86704117555 is a wasteful number, since it uses less digits than its factorization.

86704117555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3949 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 49.

The spelling of 86704117555 in words is "eighty-six billion, seven hundred four million, one hundred seventeen thousand, five hundred fifty-five".