50102657977 has 2 divisors, whose sum is σ = 50102657978. Its totient is φ = 50102657976.

The previous prime is 50102657951. The next prime is 50102658031. The reversal of 50102657977 is 77975620105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44493996096 + 5608661881 = 210936^2 + 74891^2 .

It is a cyclic number.

It is not a de Polignac number, because 50102657977 - 2²³ = 50094269369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50102657977.

It is not a weakly prime, because it can be changed into another prime (50102657477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25051328988 + 25051328989.

It is an arithmetic number, because the mean of its divisors is an integer number (25051328989).

Almost surely, 2^50102657977 is an apocalyptic number.

It is an amenable number.

50102657977 is a deficient number, since it is larger than the sum of its proper divisors (1).

50102657977 is an equidigital number, since it uses as much as digits as its factorization.

50102657977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 926100, while the sum is 49.

The spelling of 50102657977 in words is "fifty billion, one hundred two million, six hundred fifty-seven thousand, nine hundred seventy-seven".