86372890139 has 2 divisors, whose sum is σ = 86372890140. Its totient is φ = 86372890138.

The previous prime is 86372890103. The next prime is 86372890151. The reversal of 86372890139 is 93109827368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86372890139 - 2¹² = 86372886043 is a prime.

It is not a weakly prime, because it can be changed into another prime (86372890939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43186445069 + 43186445070.

It is an arithmetic number, because the mean of its divisors is an integer number (43186445070).

Almost surely, 2^86372890139 is an apocalyptic number.

86372890139 is a deficient number, since it is larger than the sum of its proper divisors (1).

86372890139 is an equidigital number, since it uses as much as digits as its factorization.

86372890139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 86372890139 in words is "eighty-six billion, three hundred seventy-two million, eight hundred ninety thousand, one hundred thirty-nine".