1479263997 has 16 divisors (see below), whose sum is σ = 1980840960. Its totient is φ = 981942192.

The previous prime is 1479263963. The next prime is 1479264011. The reversal of 1479263997 is 7993629741.

It is a de Polignac number, because none of the positive numbers 2^k-1479263997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479263917) 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, 1038828 + ... + 1040250.

It is an arithmetic number, because the mean of its divisors is an integer number (123802560).

Almost surely, 2^1479263997 is an apocalyptic number.

It is an amenable number.

1479263997 is a deficient number, since it is larger than the sum of its proper divisors (501576963).

1479263997 is a wasteful number, since it uses less digits than its factorization.

1479263997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its digits is 5143824, while the sum is 57.

The square root of 1479263997 is about 38461.2011902905. The cubic root of 1479263997 is about 1139.4149036640.

The spelling of 1479263997 in words is "one billion, four hundred seventy-nine million, two hundred sixty-three thousand, nine hundred ninety-seven".