87040994 has 8 divisors (see below), whose sum is σ = 134773248. Its totient is φ = 42116580.

The previous prime is 87040939. The next prime is 87040997. The reversal of 87040994 is 49904078.

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

It is a super-2 number, since 2×87040994² = 15152269273016072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87040997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701882 + ... + 702005.

It is an arithmetic number, because the mean of its divisors is an integer number (16846656).

Almost surely, 2^87040994 is an apocalyptic number.

87040994 is a deficient number, since it is larger than the sum of its proper divisors (47732254).

87040994 is a wasteful number, since it uses less digits than its factorization.

87040994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403920.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 87040994 is about 9329.5763033484. The cubic root of 87040994 is about 443.1743475500.

The spelling of 87040994 in words is "eighty-seven million, forty thousand, nine hundred ninety-four".