87119772 has 24 divisors (see below), whose sum is σ = 205294992. Its totient is φ = 28752000.

The previous prime is 87119749. The next prime is 87119797. The reversal of 87119772 is 27791178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34729 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (8553958).

Almost surely, 2^87119772 is an apocalyptic number.

It is an amenable number.

87119772 is an abundant number, since it is smaller than the sum of its proper divisors (118175220).

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

87119772 is a wasteful number, since it uses less digits than its factorization.

87119772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71989 (or 71987 counting only the distinct ones).

The product of its digits is 49392, while the sum is 42.

The square root of 87119772 is about 9333.7972979919. The cubic root of 87119772 is about 443.3080081764.

The spelling of 87119772 in words is "eighty-seven million, one hundred nineteen thousand, seven hundred seventy-two".