979146784 has 96 divisors (see below), whose sum is σ = 2418304896. Its totient is φ = 379115520.

The previous prime is 979146781. The next prime is 979146787. The reversal of 979146784 is 487641979.

It is an interprime number because it is at equal distance from previous prime (979146781) and next prime (979146787).

It is not an unprimeable number, because it can be changed into a prime (979146781) 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, 425124 + ... + 427420.

It is an arithmetic number, because the mean of its divisors is an integer number (25190676).

Almost surely, 2^979146784 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 979146784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209152448).

979146784 is an abundant number, since it is smaller than the sum of its proper divisors (1439158112).

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

979146784 is a wasteful number, since it uses less digits than its factorization.

979146784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2490 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 979146784 is about 31291.3212249020. The cubic root of 979146784 is about 993.0000429323. Note that the first 4 decimals are identical.

The spelling of 979146784 in words is "nine hundred seventy-nine million, one hundred forty-six thousand, seven hundred eighty-four".