77254955699 has 2 divisors, whose sum is σ = 77254955700. Its totient is φ = 77254955698.

The previous prime is 77254955693. The next prime is 77254955759. The reversal of 77254955699 is 99655945277.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77254955699 - 2²⁰ = 77253907123 is a prime.

It is not a weakly prime, because it can be changed into another prime (77254955693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38627477849 + 38627477850.

It is an arithmetic number, because the mean of its divisors is an integer number (38627477850).

Almost surely, 2^77254955699 is an apocalyptic number.

77254955699 is a deficient number, since it is larger than the sum of its proper divisors (1).

77254955699 is an equidigital number, since it uses as much as digits as its factorization.

77254955699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326000, while the sum is 68.

The spelling of 77254955699 in words is "seventy-seven billion, two hundred fifty-four million, nine hundred fifty-five thousand, six hundred ninety-nine".