87148694 has 4 divisors (see below), whose sum is σ = 130723044. Its totient is φ = 43574346.

The previous prime is 87148673. The next prime is 87148753. The reversal of 87148694 is 49684178.

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, 21787172 + ... + 21787175.

It is an arithmetic number, because the mean of its divisors is an integer number (32680761).

Almost surely, 2^87148694 is an apocalyptic number.

87148694 is a deficient number, since it is larger than the sum of its proper divisors (43574350).

87148694 is a wasteful number, since it uses less digits than its factorization.

87148694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43574349.

The product of its digits is 387072, while the sum is 47.

The square root of 87148694 is about 9335.3464852677. The cubic root of 87148694 is about 443.3570591758.

The spelling of 87148694 in words is "eighty-seven million, one hundred forty-eight thousand, six hundred ninety-four".