77466732258 has 32 divisors (see below), whose sum is σ = 159329851200. Its totient is φ = 25099348736.

The previous prime is 77466732253. The next prime is 77466732263. The reversal of 77466732258 is 85223766477.

It is an interprime number because it is at equal distance from previous prime (77466732253) and next prime (77466732263).

It is a junction number, because it is equal to n+sod(n) for n = 77466732198 and 77466732207.

It is not an unprimeable number, because it can be changed into a prime (77466732253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197891 + ... + 1260902.

It is an arithmetic number, because the mean of its divisors is an integer number (4979057850).

Almost surely, 2^77466732258 is an apocalyptic number.

77466732258 is an abundant number, since it is smaller than the sum of its proper divisors (81863118942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77466732258 is a wasteful number, since it uses less digits than its factorization.

77466732258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458946.

The product of its digits is 23708160, while the sum is 57.

The spelling of 77466732258 in words is "seventy-seven billion, four hundred sixty-six million, seven hundred thirty-two thousand, two hundred fifty-eight".