77624516325 has 12 divisors (see below), whose sum is σ = 128339200448. Its totient is φ = 41399742000.

The previous prime is 77624516303. The next prime is 77624516327. The reversal of 77624516325 is 52361542677.

It is not a de Polignac number, because 77624516325 - 2⁵ = 77624516293 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77624516327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517496701 + ... + 517496850.

Almost surely, 2^77624516325 is an apocalyptic number.

77624516325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77624516325 is a deficient number, since it is larger than the sum of its proper divisors (50714684123).

77624516325 is a wasteful number, since it uses less digits than its factorization.

77624516325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034993564 (or 1034993559 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The spelling of 77624516325 in words is "seventy-seven billion, six hundred twenty-four million, five hundred sixteen thousand, three hundred twenty-five".