86747402515 has 16 divisors (see below), whose sum is σ = 104722765056. Its totient is φ = 68981616000.

The previous prime is 86747402509. The next prime is 86747402549. The reversal of 86747402515 is 51520474768.

It is not a de Polignac number, because 86747402515 - 2⁷ = 86747402387 is a prime.

It is a super-2 number, since 2×86747402515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 678165 + ... + 795865.

It is an arithmetic number, because the mean of its divisors is an integer number (6545172816).

Almost surely, 2^86747402515 is an apocalyptic number.

86747402515 is a deficient number, since it is larger than the sum of its proper divisors (17975362541).

86747402515 is a wasteful number, since it uses less digits than its factorization.

86747402515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118590.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 86747402515 in words is "eighty-six billion, seven hundred forty-seven million, four hundred two thousand, five hundred fifteen".