307807478416 has 45 divisors (see below), whose sum is σ = 608074050171. Its totient is φ = 150942195456.

The previous prime is 307807478401. The next prime is 307807478453. The reversal of 307807478416 is 614874708703.

The square root of 307807478416 is 554804.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 176067516816 + 131739961600 = 419604^2 + 362960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 117617140 + ... + 117619756.

Almost surely, 2^307807478416 is an apocalyptic number.

307807478416 is the 554804-th square number.

It is an amenable number.

307807478416 is a deficient number, since it is larger than the sum of its proper divisors (300266571755).

307807478416 is an frugal number, since it uses more digits than its factorization.

307807478416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 307807478416 in words is "three hundred seven billion, eight hundred seven million, four hundred seventy-eight thousand, four hundred sixteen".