101578086687 has 32 divisors (see below), whose sum is σ = 168873836544. Its totient is φ = 52762600800.

The previous prime is 101578086637. The next prime is 101578086703. The reversal of 101578086687 is 786680875101.

It is not a de Polignac number, because 101578086687 - 2¹⁰ = 101578085663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101578086637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3633798 + ... + 3661644.

It is an arithmetic number, because the mean of its divisors is an integer number (5277307392).

Almost surely, 2^101578086687 is an apocalyptic number.

101578086687 is a deficient number, since it is larger than the sum of its proper divisors (67295749857).

101578086687 is a wasteful number, since it uses less digits than its factorization.

101578086687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43659.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The spelling of 101578086687 in words is "one hundred one billion, five hundred seventy-eight million, eighty-six thousand, six hundred eighty-seven".