87477674 has 4 divisors (see below), whose sum is σ = 131216514. Its totient is φ = 43738836.

The previous prime is 87477667. The next prime is 87477697. The reversal of 87477674 is 47677478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 2745649 = 9205^2 + 1657^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21869417 + ... + 21869420.

Almost surely, 2^87477674 is an apocalyptic number.

87477674 is a deficient number, since it is larger than the sum of its proper divisors (43738840).

87477674 is a wasteful number, since it uses less digits than its factorization.

87477674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43738839.

The product of its digits is 1843968, while the sum is 50.

The square root of 87477674 is about 9352.9500159041. The cubic root of 87477674 is about 443.9142389075.

The spelling of 87477674 in words is "eighty-seven million, four hundred seventy-seven thousand, six hundred seventy-four".