87494278 has 8 divisors (see below), whose sum is σ = 138148920. Its totient is φ = 41444640.

The previous prime is 87494263. The next prime is 87494311. The reversal of 87494278 is 87249478.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1151203 + ... + 1151278.

It is an arithmetic number, because the mean of its divisors is an integer number (17268615).

Almost surely, 2^87494278 is an apocalyptic number.

87494278 is a deficient number, since it is larger than the sum of its proper divisors (50654642).

87494278 is a wasteful number, since it uses less digits than its factorization.

87494278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302502.

The product of its digits is 903168, while the sum is 49.

The square root of 87494278 is about 9353.8376081692. The cubic root of 87494278 is about 443.9423233523.

The spelling of 87494278 in words is "eighty-seven million, four hundred ninety-four thousand, two hundred seventy-eight".