1478699307 has 10 divisors (see below), whose sum is σ = 2208921308. Its totient is φ = 985799484.

The previous prime is 1478699303. The next prime is 1478699323. The reversal of 1478699307 is 7039968741.

It is a happy number.

It is not a de Polignac number, because 1478699307 - 2² = 1478699303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478699303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9127693 + ... + 9127854.

Almost surely, 2^1478699307 is an apocalyptic number.

1478699307 is a deficient number, since it is larger than the sum of its proper divisors (730222001).

1478699307 is an equidigital number, since it uses as much as digits as its factorization.

1478699307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255559 (or 18255550 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1478699307 is about 38453.8594551964. The cubic root of 1478699307 is about 1139.2698995510.

The spelling of 1478699307 in words is "one billion, four hundred seventy-eight million, six hundred ninety-nine thousand, three hundred seven".