87842474 has 8 divisors (see below), whose sum is σ = 137492640. Its totient is φ = 42011596.

The previous prime is 87842467. The next prime is 87842509. The reversal of 87842474 is 47424878.

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

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, 954764 + ... + 954855.

It is an arithmetic number, because the mean of its divisors is an integer number (17186580).

Almost surely, 2^87842474 is an apocalyptic number.

87842474 is a deficient number, since it is larger than the sum of its proper divisors (49650166).

87842474 is a wasteful number, since it uses less digits than its factorization.

87842474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909644.

The product of its digits is 401408, while the sum is 44.

The square root of 87842474 is about 9372.4315948424. The cubic root of 87842474 is about 444.5304545253.

The spelling of 87842474 in words is "eighty-seven million, eight hundred forty-two thousand, four hundred seventy-four".