87577442 has 8 divisors (see below), whose sum is σ = 133327056. Its totient is φ = 43135092.

The previous prime is 87577439. The next prime is 87577453. The reversal of 87577442 is 24477578.

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

It is a junction number, because it is equal to n+sod(n) for n = 87577393 and 87577402.

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, 326648 + ... + 326915.

It is an arithmetic number, because the mean of its divisors is an integer number (16665882).

Almost surely, 2^87577442 is an apocalyptic number.

87577442 is a deficient number, since it is larger than the sum of its proper divisors (45749614).

87577442 is a wasteful number, since it uses less digits than its factorization.

87577442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653632.

The product of its digits is 439040, while the sum is 44.

The square root of 87577442 is about 9358.2820004529. The cubic root of 87577442 is about 444.0829357017.

The spelling of 87577442 in words is "eighty-seven million, five hundred seventy-seven thousand, four hundred forty-two".