87739416 has 64 divisors (see below), whose sum is σ = 256560000. Its totient is φ = 27705888.

The previous prime is 87739391. The next prime is 87739423. The reversal of 87739416 is 61493778.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6586 + ... + 14793.

It is an arithmetic number, because the mean of its divisors is an integer number (4008750).

Almost surely, 2^87739416 is an apocalyptic number.

It is an amenable number.

87739416 is an abundant number, since it is smaller than the sum of its proper divisors (168820584).

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

87739416 is a wasteful number, since it uses less digits than its factorization.

87739416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21413 (or 21403 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 87739416 is about 9366.9320484351. The cubic root of 87739416 is about 444.3565434126.

The spelling of 87739416 in words is "eighty-seven million, seven hundred thirty-nine thousand, four hundred sixteen".