87143374 has 4 divisors (see below), whose sum is σ = 130715064. Its totient is φ = 43571686.

The previous prime is 87143351. The next prime is 87143401. The reversal of 87143374 is 47334178.

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, 21785842 + ... + 21785845.

It is an arithmetic number, because the mean of its divisors is an integer number (32678766).

Almost surely, 2^87143374 is an apocalyptic number.

87143374 is a deficient number, since it is larger than the sum of its proper divisors (43571690).

87143374 is a wasteful number, since it uses less digits than its factorization.

87143374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43571689.

The product of its digits is 56448, while the sum is 37.

The square root of 87143374 is about 9335.0615423788. The cubic root of 87143374 is about 443.3480374015.

The spelling of 87143374 in words is "eighty-seven million, one hundred forty-three thousand, three hundred seventy-four".