87039743825 has 12 divisors (see below), whose sum is σ = 107962100400. Its totient is φ = 69610622160.

The previous prime is 87039743809. The next prime is 87039743839. The reversal of 87039743825 is 52834793078.

It is not a de Polignac number, because 87039743825 - 2⁴ = 87039743809 is a prime.

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, 445199 + ... + 610148.

It is an arithmetic number, because the mean of its divisors is an integer number (8996841700).

Almost surely, 2^87039743825 is an apocalyptic number.

It is an amenable number.

87039743825 is a deficient number, since it is larger than the sum of its proper divisors (20922356575).

87039743825 is a wasteful number, since it uses less digits than its factorization.

87039743825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058656 (or 1058651 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 87039743825 in words is "eighty-seven billion, thirty-nine million, seven hundred forty-three thousand, eight hundred twenty-five".