86077939 has 2 divisors, whose sum is σ = 86077940. Its totient is φ = 86077938.

The previous prime is 86077913. The next prime is 86077949. The reversal of 86077939 is 93977068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86077939 - 2⁹ = 86077427 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86077892 and 86077901.

It is not a weakly prime, because it can be changed into another prime (86077909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43038969 + 43038970.

It is an arithmetic number, because the mean of its divisors is an integer number (43038970).

Almost surely, 2^86077939 is an apocalyptic number.

86077939 is a deficient number, since it is larger than the sum of its proper divisors (1).

86077939 is an equidigital number, since it uses as much as digits as its factorization.

86077939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 86077939 is about 9277.8197331054. The cubic root of 86077939 is about 441.5337982827.

The spelling of 86077939 in words is "eighty-six million, seventy-seven thousand, nine hundred thirty-nine".