87161254 has 4 divisors (see below), whose sum is σ = 130741884. Its totient is φ = 43580626.

The previous prime is 87161209. The next prime is 87161273. The reversal of 87161254 is 45216178.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21790312 + ... + 21790315.

It is an arithmetic number, because the mean of its divisors is an integer number (32685471).

Almost surely, 2^87161254 is an apocalyptic number.

87161254 is a deficient number, since it is larger than the sum of its proper divisors (43580630).

87161254 is a wasteful number, since it uses less digits than its factorization.

87161254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43580629.

The product of its digits is 13440, while the sum is 34.

The square root of 87161254 is about 9336.0191730737. The cubic root of 87161254 is about 443.3783572467.

The spelling of 87161254 in words is "eighty-seven million, one hundred sixty-one thousand, two hundred fifty-four".