4788891315 has 240 divisors, whose sum is σ = 10016430336. Its totient is φ = 2183500800.

The previous prime is 4788891311. The next prime is 4788891337. The reversal of 4788891315 is 5131988874.

4788891315 is a `hidden beast` number, since 478 + 88 + 91 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 4788891315 - 2² = 4788891311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4788891311) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 78506385 + ... + 78506445.

Almost surely, 2^4788891315 is an apocalyptic number.

4788891315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4788891315 is an abundant number, since it is smaller than the sum of its proper divisors (5227539021).

4788891315 is a wasteful number, since it uses less digits than its factorization.

4788891315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 150 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 4788891315 is about 69201.8158360025. The cubic root of 4788891315 is about 1685.5630160169.

The spelling of 4788891315 in words is "four billion, seven hundred eighty-eight million, eight hundred ninety-one thousand, three hundred fifteen".