77332527458 has 4 divisors (see below), whose sum is σ = 115998791190. Its totient is φ = 38666263728.

The previous prime is 77332527427. The next prime is 77332527463. The reversal of 77332527458 is 85472523377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85472523377 = 601 ⋅142217177.

It can be written as a sum of positive squares in only one way, i.e., 58116191329 + 19216336129 = 241073^2 + 138623^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19333131863 + ... + 19333131866.

Almost surely, 2^77332527458 is an apocalyptic number.

77332527458 is a deficient number, since it is larger than the sum of its proper divisors (38666263732).

77332527458 is a wasteful number, since it uses less digits than its factorization.

77332527458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38666263731.

The product of its digits is 9878400, while the sum is 53.

The spelling of 77332527458 in words is "seventy-seven billion, three hundred thirty-two million, five hundred twenty-seven thousand, four hundred fifty-eight".