87015399351078 has 32 divisors (see below), whose sum is σ = 190805809478400. Its totient is φ = 26235798795360.

The previous prime is 87015399351061. The next prime is 87015399351193.

87015399351078 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent 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, 3312587725 + ... + 3312613992.

It is an arithmetic number, because the mean of its divisors is an integer number (5962681546200).

Almost surely, 2^{87015399351078} is an apocalyptic number.

87015399351078 is an abundant number, since it is smaller than the sum of its proper divisors (103790410127322).

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

87015399351078 is a wasteful number, since it uses less digits than its factorization.

87015399351078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625201932.

The product of its (nonzero) digits is 57153600, while the sum is 66.

The spelling of 87015399351078 in words is "eighty-seven trillion, fifteen billion, three hundred ninety-nine million, three hundred fifty-one thousand, seventy-eight".