77476661051 has 2 divisors, whose sum is σ = 77476661052. Its totient is φ = 77476661050.

The previous prime is 77476660997. The next prime is 77476661071. The reversal of 77476661051 is 15016667477.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77476661051 is a prime.

It is a super-2 number, since 2×77476661051² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77476661071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38738330525 + 38738330526.

It is an arithmetic number, because the mean of its divisors is an integer number (38738330526).

Almost surely, 2^77476661051 is an apocalyptic number.

77476661051 is a deficient number, since it is larger than the sum of its proper divisors (1).

77476661051 is an equidigital number, since it uses as much as digits as its factorization.

77476661051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 77476661051 in words is "seventy-seven billion, four hundred seventy-six million, six hundred sixty-one thousand, fifty-one".