987047464 has 32 divisors (see below), whose sum is σ = 1997442720. Its totient is φ = 454562496.

The previous prime is 987047437. The next prime is 987047491. The reversal of 987047464 is 464740789.

It is an interprime number because it is at equal distance from previous prime (987047437) and next prime (987047491).

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, 38407 + ... + 58729.

It is an arithmetic number, because the mean of its divisors is an integer number (62420085).

Almost surely, 2^987047464 is an apocalyptic number.

It is an amenable number.

987047464 is an abundant number, since it is smaller than the sum of its proper divisors (1010395256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987047464 is a wasteful number, since it uses less digits than its factorization.

987047464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20809 (or 20805 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 987047464 is about 31417.3115336115. The cubic root of 987047464 is about 995.6637117835.

The spelling of 987047464 in words is "nine hundred eighty-seven million, forty-seven thousand, four hundred sixty-four".