979540047 has 48 divisors (see below), whose sum is σ = 1534609440. Its totient is φ = 623572992.

The previous prime is 979540033. The next prime is 979540049. The reversal of 979540047 is 740045979.

979540047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 979540047 - 2⁷ = 979539919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 979539984 and 979540011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979540049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682843 + ... + 684275.

It is an arithmetic number, because the mean of its divisors is an integer number (31971030).

Almost surely, 2^979540047 is an apocalyptic number.

979540047 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

979540047 is a deficient number, since it is larger than the sum of its proper divisors (555069393).

979540047 is a wasteful number, since it uses less digits than its factorization.

979540047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 979540047 is about 31297.6044929959. The cubic root of 979540047 is about 993.1329674718.

The spelling of 979540047 in words is "nine hundred seventy-nine million, five hundred forty thousand, forty-seven".