87494158 has 4 divisors (see below), whose sum is σ = 131241240. Its totient is φ = 43747078.

The previous prime is 87494153. The next prime is 87494167. The reversal of 87494158 is 85149478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85149478 = 2 ⋅42574739.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87494153) 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 as a sum of consecutive naturals, namely, 21873538 + ... + 21873541.

It is an arithmetic number, because the mean of its divisors is an integer number (32810310).

Almost surely, 2^87494158 is an apocalyptic number.

87494158 is a deficient number, since it is larger than the sum of its proper divisors (43747082).

87494158 is a wasteful number, since it uses less digits than its factorization.

87494158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43747081.

The product of its digits is 322560, while the sum is 46.

The square root of 87494158 is about 9353.8311936874. The cubic root of 87494158 is about 443.9421203939.

The spelling of 87494158 in words is "eighty-seven million, four hundred ninety-four thousand, one hundred fifty-eight".