86231891308 has 6 divisors (see below), whose sum is σ = 150905809796. Its totient is φ = 43115945652.

The previous prime is 86231891269. The next prime is 86231891329. The reversal of 86231891308 is 80319813268.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10778986410 + ... + 10778986417.

Almost surely, 2^86231891308 is an apocalyptic number.

It is an amenable number.

86231891308 is a deficient number, since it is larger than the sum of its proper divisors (64673918488).

86231891308 is a wasteful number, since it uses less digits than its factorization.

86231891308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557972831 (or 21557972829 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 86231891308 in words is "eighty-six billion, two hundred thirty-one million, eight hundred ninety-one thousand, three hundred eight".