87885742 has 8 divisors (see below), whose sum is σ = 150661296. Its totient is φ = 37665312.

The previous prime is 87885727. The next prime is 87885761. The reversal of 87885742 is 24758878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138763 + ... + 3138790.

It is an arithmetic number, because the mean of its divisors is an integer number (18832662).

Almost surely, 2^87885742 is an apocalyptic number.

87885742 is a deficient number, since it is larger than the sum of its proper divisors (62775554).

87885742 is a wasteful number, since it uses less digits than its factorization.

87885742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277562.

The product of its digits is 1003520, while the sum is 49.

The square root of 87885742 is about 9374.7395697161. The cubic root of 87885742 is about 444.6034290433.

The spelling of 87885742 in words is "eighty-seven million, eight hundred eighty-five thousand, seven hundred forty-two".