87942030752 has 12 divisors (see below), whose sum is σ = 173135873106. Its totient is φ = 43971015360.

The previous prime is 87942030749. The next prime is 87942030763. The reversal of 87942030752 is 25703024978.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 84427438096 + 3514592656 = 290564^2 + 59284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87942030697 and 87942030706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374094199 + ... + 1374094262.

Almost surely, 2^87942030752 is an apocalyptic number.

It is an amenable number.

87942030752 is a deficient number, since it is larger than the sum of its proper divisors (85193842354).

87942030752 is a wasteful number, since it uses less digits than its factorization.

87942030752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748188471 (or 2748188463 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 87942030752 in words is "eighty-seven billion, nine hundred forty-two million, thirty thousand, seven hundred fifty-two".