86212856507 has 8 divisors (see below), whose sum is σ = 86743772880. Its totient is φ = 85683094560.

The previous prime is 86212856501. The next prime is 86212856519. The reversal of 86212856507 is 70565821268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86212856507 - 2¹⁴ = 86212840123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86212856501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138548 + ... + 437745.

It is an arithmetic number, because the mean of its divisors is an integer number (10842971610).

Almost surely, 2^86212856507 is an apocalyptic number.

86212856507 is a deficient number, since it is larger than the sum of its proper divisors (530916373).

86212856507 is a wasteful number, since it uses less digits than its factorization.

86212856507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577213.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 86212856507 in words is "eighty-six billion, two hundred twelve million, eight hundred fifty-six thousand, five hundred seven".