86842862646 has 32 divisors (see below), whose sum is σ = 182227670016. Its totient is φ = 27554580000.

The previous prime is 86842862629. The next prime is 86842862657. The reversal of 86842862646 is 64626824868.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86842862646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3815680 + ... + 3838371.

It is an arithmetic number, because the mean of its divisors is an integer number (5694614688).

Almost surely, 2^86842862646 is an apocalyptic number.

86842862646 is an abundant number, since it is smaller than the sum of its proper divisors (95384807370).

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

86842862646 is a wasteful number, since it uses less digits than its factorization.

86842862646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654148.

The product of its digits is 42467328, while the sum is 60.

The spelling of 86842862646 in words is "eighty-six billion, eight hundred forty-two million, eight hundred sixty-two thousand, six hundred forty-six".