87574651 has 4 divisors (see below), whose sum is σ = 87676992. Its totient is φ = 87472312.

The previous prime is 87574649. The next prime is 87574657. The reversal of 87574651 is 15647578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15647578 = 2 ⋅7823789.

It is a cyclic number.

It is not a de Polignac number, because 87574651 - 2¹ = 87574649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87574598 and 87574607.

It is not an unprimeable number, because it can be changed into a prime (87574657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49876 + ... + 51601.

It is an arithmetic number, because the mean of its divisors is an integer number (21919248).

Almost surely, 2^87574651 is an apocalyptic number.

87574651 is a deficient number, since it is larger than the sum of its proper divisors (102341).

87574651 is a wasteful number, since it uses less digits than its factorization.

87574651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102340.

The product of its digits is 235200, while the sum is 43.

The square root of 87574651 is about 9358.1328800140. The cubic root of 87574651 is about 444.0782181679.

The spelling of 87574651 in words is "eighty-seven million, five hundred seventy-four thousand, six hundred fifty-one".