77214525499 has 2 divisors, whose sum is σ = 77214525500. Its totient is φ = 77214525498.

The previous prime is 77214525491. The next prime is 77214525517. The reversal of 77214525499 is 99452541277.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77214525499 - 2³ = 77214525491 is a prime.

It is not a weakly prime, because it can be changed into another prime (77214525491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38607262749 + 38607262750.

It is an arithmetic number, because the mean of its divisors is an integer number (38607262750).

Almost surely, 2^77214525499 is an apocalyptic number.

77214525499 is a deficient number, since it is larger than the sum of its proper divisors (1).

77214525499 is an equidigital number, since it uses as much as digits as its factorization.

77214525499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The spelling of 77214525499 in words is "seventy-seven billion, two hundred fourteen million, five hundred twenty-five thousand, four hundred ninety-nine".