87658349285 has 16 divisors (see below), whose sum is σ = 113287749120. Its totient is φ = 64728782400.

The previous prime is 87658349231. The next prime is 87658349293. The reversal of 87658349285 is 58294385678.

It is not a de Polignac number, because 87658349285 - 2⁶ = 87658349221 is a prime.

It is a super-2 number, since 2×87658349285² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 2180396 + ... + 2220234.

It is an arithmetic number, because the mean of its divisors is an integer number (7080484320).

Almost surely, 2^87658349285 is an apocalyptic number.

It is an amenable number.

87658349285 is a deficient number, since it is larger than the sum of its proper divisors (25629399835).

87658349285 is a wasteful number, since it uses less digits than its factorization.

87658349285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73708.

The product of its digits is 116121600, while the sum is 65.

The spelling of 87658349285 in words is "eighty-seven billion, six hundred fifty-eight million, three hundred forty-nine thousand, two hundred eighty-five".