976988540 has 48 divisors (see below), whose sum is σ = 2315386080. Its totient is φ = 343015680.

The previous prime is 976988539. The next prime is 976988543. The reversal of 976988540 is 45889679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976988543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70187 + ... + 82946.

It is an arithmetic number, because the mean of its divisors is an integer number (48237210).

Almost surely, 2^976988540 is an apocalyptic number.

It is an amenable number.

976988540 is an abundant number, since it is smaller than the sum of its proper divisors (1338397540).

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

976988540 is a wasteful number, since it uses less digits than its factorization.

976988540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153182 (or 153180 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 976988540 is about 31256.8158966968. The cubic root of 976988540 is about 992.2699130577.

The spelling of 976988540 in words is "nine hundred seventy-six million, nine hundred eighty-eight thousand, five hundred forty".