88139960 has 16 divisors (see below), whose sum is σ = 198315000. Its totient is φ = 35255968.

The previous prime is 88139959. The next prime is 88139963. The reversal of 88139960 is 6993188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88139963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101710 + ... + 1101789.

Almost surely, 2^88139960 is an apocalyptic number.

It is an amenable number.

88139960 is an abundant number, since it is smaller than the sum of its proper divisors (110175040).

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

88139960 is a wasteful number, since it uses less digits than its factorization.

88139960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203510 (or 2203506 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 88139960 is about 9388.2884489134. The cubic root of 88139960 is about 445.0317024925.

The spelling of 88139960 in words is "eighty-eight million, one hundred thirty-nine thousand, nine hundred sixty".