86437079 has 2 divisors, whose sum is σ = 86437080. Its totient is φ = 86437078.

The previous prime is 86437063. The next prime is 86437103. The reversal of 86437079 is 97073468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86437079 - 2⁴ = 86437063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86437679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43218539 + 43218540.

It is an arithmetic number, because the mean of its divisors is an integer number (43218540).

Almost surely, 2^86437079 is an apocalyptic number.

86437079 is a deficient number, since it is larger than the sum of its proper divisors (1).

86437079 is an equidigital number, since it uses as much as digits as its factorization.

86437079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 86437079 is about 9297.1543495846. The cubic root of 86437079 is about 442.1470116275.

The spelling of 86437079 in words is "eighty-six million, four hundred thirty-seven thousand, seventy-nine".