83077904939 has 2 divisors, whose sum is σ = 83077904940. Its totient is φ = 83077904938.

The previous prime is 83077904873. The next prime is 83077904941. The reversal of 83077904939 is 93940977038.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83077904939 - 2⁸ = 83077904683 is a prime.

Together with 83077904941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83077904999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41538952469 + 41538952470.

It is an arithmetic number, because the mean of its divisors is an integer number (41538952470).

Almost surely, 2^83077904939 is an apocalyptic number.

83077904939 is a deficient number, since it is larger than the sum of its proper divisors (1).

83077904939 is an equidigital number, since it uses as much as digits as its factorization.

83077904939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 83077904939 in words is "eighty-three billion, seventy-seven million, nine hundred four thousand, nine hundred thirty-nine".