87156231596 has 36 divisors (see below), whose sum is σ = 186763361400. Its totient is φ = 35386739136.

The previous prime is 87156231583. The next prime is 87156231607. The reversal of 87156231596 is 69513265178.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11698241 + ... + 11705688.

It is an arithmetic number, because the mean of its divisors is an integer number (5187871150).

Almost surely, 2^87156231596 is an apocalyptic number.

It is an amenable number.

87156231596 is an abundant number, since it is smaller than the sum of its proper divisors (99607129804).

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

87156231596 is a wasteful number, since it uses less digits than its factorization.

87156231596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23403966 (or 23403957 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 87156231596 in words is "eighty-seven billion, one hundred fifty-six million, two hundred thirty-one thousand, five hundred ninety-six".