987047894 has 16 divisors (see below), whose sum is σ = 1694547456. Its totient is φ = 422404200.

The previous prime is 987047879. The next prime is 987047903. The reversal of 987047894 is 498740789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41342 + ... + 60689.

It is an arithmetic number, because the mean of its divisors is an integer number (105909216).

Almost surely, 2^987047894 is an apocalyptic number.

987047894 is a deficient number, since it is larger than the sum of its proper divisors (707499562).

987047894 is a wasteful number, since it uses less digits than its factorization.

987047894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102731.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 987047894 is about 31417.3183769716. The cubic root of 987047894 is about 995.6638563680.

The spelling of 987047894 in words is "nine hundred eighty-seven million, forty-seven thousand, eight hundred ninety-four".