976979380 has 48 divisors (see below), whose sum is σ = 2215471104. Its totient is φ = 359752320.

The previous prime is 976979371. The next prime is 976979389. The reversal of 976979380 is 83979679.

It is an interprime number because it is at equal distance from previous prime (976979371) and next prime (976979389).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (976979389) 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, 94675 + ... + 104485.

It is an arithmetic number, because the mean of its divisors is an integer number (46155648).

Almost surely, 2^976979380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 976979380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107735552).

976979380 is an abundant number, since it is smaller than the sum of its proper divisors (1238491724).

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

976979380 is a wasteful number, since it uses less digits than its factorization.

976979380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216 (or 10214 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 976979380 is about 31256.6693683124. The cubic root of 976979380 is about 992.2668119566.

The spelling of 976979380 in words is "nine hundred seventy-six million, nine hundred seventy-nine thousand, three hundred eighty".