83077775051 has 2 divisors, whose sum is σ = 83077775052. Its totient is φ = 83077775050.

The previous prime is 83077775023. The next prime is 83077775093. The reversal of 83077775051 is 15057777038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83077775051 - 2²² = 83073580747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (83077775351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41538887525 + 41538887526.

It is an arithmetic number, because the mean of its divisors is an integer number (41538887526).

Almost surely, 2^83077775051 is an apocalyptic number.

83077775051 is a deficient number, since it is larger than the sum of its proper divisors (1).

83077775051 is an equidigital number, since it uses as much as digits as its factorization.

83077775051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 83077775051 in words is "eighty-three billion, seventy-seven million, seven hundred seventy-five thousand, fifty-one".