979858445 has 4 divisors (see below), whose sum is σ = 1175830140. Its totient is φ = 783886752.

The previous prime is 979858379. The next prime is 979858463. The reversal of 979858445 is 544858979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 544802281 + 435056164 = 23341^2 + 20858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979858445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97985840 + ... + 97985849.

It is an arithmetic number, because the mean of its divisors is an integer number (293957535).

Almost surely, 2^979858445 is an apocalyptic number.

It is an amenable number.

979858445 is a deficient number, since it is larger than the sum of its proper divisors (195971695).

979858445 is a wasteful number, since it uses less digits than its factorization.

979858445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195971694.

The product of its digits is 14515200, while the sum is 59.

The square root of 979858445 is about 31302.6906990437. The cubic root of 979858445 is about 993.2405612676.

The spelling of 979858445 in words is "nine hundred seventy-nine million, eight hundred fifty-eight thousand, four hundred forty-five".