77376618983 has 2 divisors, whose sum is σ = 77376618984. Its totient is φ = 77376618982.

The previous prime is 77376618973. The next prime is 77376619069. The reversal of 77376618983 is 38981667377.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77376618983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77376618973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38688309491 + 38688309492.

It is an arithmetic number, because the mean of its divisors is an integer number (38688309492).

Almost surely, 2^77376618983 is an apocalyptic number.

77376618983 is a deficient number, since it is larger than the sum of its proper divisors (1).

77376618983 is an equidigital number, since it uses as much as digits as its factorization.

77376618983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 65.

The spelling of 77376618983 in words is "seventy-seven billion, three hundred seventy-six million, six hundred eighteen thousand, nine hundred eighty-three".