87773792 has 12 divisors (see below), whose sum is σ = 172804716. Its totient is φ = 43886880.

The previous prime is 87773783. The next prime is 87773801. The reversal of 87773792 is 29737778.

It is an interprime number because it is at equal distance from previous prime (87773783) and next prime (87773801).

It is a self number, because there is not a number n which added to its sum of digits gives 87773792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371434 + ... + 1371497.

It is an arithmetic number, because the mean of its divisors is an integer number (14400393).

Almost surely, 2^87773792 is an apocalyptic number.

It is an amenable number.

87773792 is a deficient number, since it is larger than the sum of its proper divisors (85030924).

87773792 is a wasteful number, since it uses less digits than its factorization.

87773792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742941 (or 2742933 counting only the distinct ones).

The product of its digits is 1037232, while the sum is 50.

The square root of 87773792 is about 9368.7668345412. The cubic root of 87773792 is about 444.4145682880.

The spelling of 87773792 in words is "eighty-seven million, seven hundred seventy-three thousand, seven hundred ninety-two".