87801742 has 16 divisors (see below), whose sum is σ = 151235712. Its totient is φ = 37449720.

The previous prime is 87801731. The next prime is 87801767. The reversal of 87801742 is 24710878.

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, 11908 + ... + 17815.

It is an arithmetic number, because the mean of its divisors is an integer number (9452232).

Almost surely, 2^87801742 is an apocalyptic number.

87801742 is a deficient number, since it is larger than the sum of its proper divisors (63433970).

87801742 is a wasteful number, since it uses less digits than its factorization.

87801742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29943.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 87801742 is about 9370.2583742392. The cubic root of 87801742 is about 444.4617352486.

The spelling of 87801742 in words is "eighty-seven million, eight hundred one thousand, seven hundred forty-two".