87974285 has 8 divisors (see below), whose sum is σ = 120650496. Its totient is φ = 60325200.

The previous prime is 87974279. The next prime is 87974291. The reversal of 87974285 is 58247978.

It is an interprime number because it is at equal distance from previous prime (87974279) and next prime (87974291).

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

It is not a de Polignac number, because 87974285 - 2⁶ = 87974221 is a prime.

It is a super-2 number, since 2×87974285² = 15478949642522450, which contains 22 as substring.

It is a Duffinian number.

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, 1256741 + ... + 1256810.

It is an arithmetic number, because the mean of its divisors is an integer number (15081312).

Almost surely, 2^87974285 is an apocalyptic number.

It is an amenable number.

87974285 is a deficient number, since it is larger than the sum of its proper divisors (32676211).

87974285 is a wasteful number, since it uses less digits than its factorization.

87974285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513563.

The product of its digits is 1128960, while the sum is 50.

The square root of 87974285 is about 9379.4608053981. The cubic root of 87974285 is about 444.7526884021.

The spelling of 87974285 in words is "eighty-seven million, nine hundred seventy-four thousand, two hundred eighty-five".