1047580979 has 16 divisors (see below), whose sum is σ = 1143052800. Its totient is φ = 956777184.

The previous prime is 1047580943. The next prime is 1047580991. The reversal of 1047580979 is 9790857401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047580979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047580939) 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, 51077 + ... + 68585.

It is an arithmetic number, because the mean of its divisors is an integer number (71440800).

Almost surely, 2^1047580979 is an apocalyptic number.

1047580979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1047580979 is a deficient number, since it is larger than the sum of its proper divisors (95471821).

1047580979 is a wasteful number, since it uses less digits than its factorization.

1047580979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17642.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1047580979 is about 32366.3556644859. The cubic root of 1047580979 is about 1015.6152219953.

The spelling of 1047580979 in words is "one billion, forty-seven million, five hundred eighty thousand, nine hundred seventy-nine".