87674978 has 8 divisors (see below), whose sum is σ = 135066972. Its totient is φ = 42652656.

The previous prime is 87674959. The next prime is 87674981. The reversal of 87674978 is 87947678.

It can be written as a sum of positive squares in 2 ways, for example, as 86620249 + 1054729 = 9307^2 + 1027^2 .

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, 592325 + ... + 592472.

Almost surely, 2^87674978 is an apocalyptic number.

87674978 is a deficient number, since it is larger than the sum of its proper divisors (47391994).

87674978 is a wasteful number, since it uses less digits than its factorization.

87674978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184836.

The product of its digits is 4741632, while the sum is 56.

The square root of 87674978 is about 9363.4917632259. The cubic root of 87674978 is about 444.2477346209.

The spelling of 87674978 in words is "eighty-seven million, six hundred seventy-four thousand, nine hundred seventy-eight".