86842862645 has 64 divisors (see below), whose sum is σ = 138365646336. Its totient is φ = 50656174080.

The previous prime is 86842862629. The next prime is 86842862657. The reversal of 86842862645 is 54626824868.

It is a happy number.

It is not a de Polignac number, because 86842862645 - 2⁴ = 86842862629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1093937 + ... + 1170633.

It is an arithmetic number, because the mean of its divisors is an integer number (2161963224).

Almost surely, 2^86842862645 is an apocalyptic number.

86842862645 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86842862645 is a deficient number, since it is larger than the sum of its proper divisors (51522783691).

86842862645 is a wasteful number, since it uses less digits than its factorization.

86842862645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76910.

The product of its digits is 35389440, while the sum is 59.

The spelling of 86842862645 in words is "eighty-six billion, eight hundred forty-two million, eight hundred sixty-two thousand, six hundred forty-five".