979387776 has 96 divisors (see below), whose sum is σ = 2860579800. Its totient is φ = 321564672.

The previous prime is 979387753. The next prime is 979387777. The reversal of 979387776 is 677783979.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979387777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70840 + ... + 83528.

Almost surely, 2^979387776 is an apocalyptic number.

979387776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979387776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430289900).

979387776 is an abundant number, since it is smaller than the sum of its proper divisors (1881192024).

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

979387776 is a wasteful number, since it uses less digits than its factorization.

979387776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776 (or 12761 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The square root of 979387776 is about 31295.1717681817. The cubic root of 979387776 is about 993.0815034583.

The spelling of 979387776 in words is "nine hundred seventy-nine million, three hundred eighty-seven thousand, seven hundred seventy-six".