86704487644 has 12 divisors (see below), whose sum is σ = 151739613424. Its totient is φ = 43350312384.

The previous prime is 86704487591. The next prime is 86704487669. The reversal of 86704487644 is 44678440768.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379392 + ... + 563335.

Almost surely, 2^86704487644 is an apocalyptic number.

It is an amenable number.

86704487644 is a deficient number, since it is larger than the sum of its proper divisors (65035125780).

86704487644 is a wasteful number, since it uses less digits than its factorization.

86704487644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965724 (or 965722 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 58.

The spelling of 86704487644 in words is "eighty-six billion, seven hundred four million, four hundred eighty-seven thousand, six hundred forty-four".