87624774325 has 12 divisors (see below), whose sum is σ = 118532422368. Its totient is φ = 63727108400.

The previous prime is 87624774287. The next prime is 87624774343. The reversal of 87624774325 is 52347742678.

It is a de Polignac number, because none of the positive numbers 2^k-87624774325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159317497 + ... + 159318046.

It is an arithmetic number, because the mean of its divisors is an integer number (9877701864).

Almost surely, 2^87624774325 is an apocalyptic number.

It is an amenable number.

87624774325 is a deficient number, since it is larger than the sum of its proper divisors (30907648043).

87624774325 is a wasteful number, since it uses less digits than its factorization.

87624774325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318635564 (or 318635559 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 55.

The spelling of 87624774325 in words is "eighty-seven billion, six hundred twenty-four million, seven hundred seventy-four thousand, three hundred twenty-five".