87568157371 has 4 divisors (see below), whose sum is σ = 87917034744. Its totient is φ = 87219280000.

The previous prime is 87568157329. The next prime is 87568157381. The reversal of 87568157371 is 17375186578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17375186578 = 2 ⋅8687593289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87568157371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87568157311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174438310 + ... + 174438811.

It is an arithmetic number, because the mean of its divisors is an integer number (21979258686).

Almost surely, 2^87568157371 is an apocalyptic number.

87568157371 is a deficient number, since it is larger than the sum of its proper divisors (348877373).

87568157371 is a wasteful number, since it uses less digits than its factorization.

87568157371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348877372.

The product of its digits is 9878400, while the sum is 58.

The spelling of 87568157371 in words is "eighty-seven billion, five hundred sixty-eight million, one hundred fifty-seven thousand, three hundred seventy-one".