87440006632 has 16 divisors (see below), whose sum is σ = 178854559200. Its totient is φ = 39745457520.

The previous prime is 87440006629. The next prime is 87440006639. The reversal of 87440006632 is 23660004478.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87440006639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496818132 + ... + 496818307.

It is an arithmetic number, because the mean of its divisors is an integer number (11178409950).

Almost surely, 2^87440006632 is an apocalyptic number.

It is an amenable number.

87440006632 is an abundant number, since it is smaller than the sum of its proper divisors (91414552568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87440006632 is a wasteful number, since it uses less digits than its factorization.

87440006632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993636456 (or 993636452 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 87440006632 in words is "eighty-seven billion, four hundred forty million, six thousand, six hundred thirty-two".