78587307311135 has 16 divisors (see below), whose sum is σ = 109075395211776. Its totient is φ = 53239180992288.

The previous prime is 78587307311131. The next prime is 78587307311179. The reversal of 78587307311135 is 53111370378587.

It is a cyclic number.

It is not a de Polignac number, because 78587307311135 - 2² = 78587307311131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78587307311131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13526211779 + ... + 13526217588.

It is an arithmetic number, because the mean of its divisors is an integer number (6817212200736).

Almost surely, 2^{78587307311135} is an apocalyptic number.

78587307311135 is a deficient number, since it is larger than the sum of its proper divisors (30488087900641).

78587307311135 is a wasteful number, since it uses less digits than its factorization.

78587307311135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27052429462.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 78587307311135 in words is "seventy-eight trillion, five hundred eighty-seven billion, three hundred seven million, three hundred eleven thousand, one hundred thirty-five".