2478885739 has 12 divisors (see below), whose sum is σ = 2749737760. Its totient is φ = 2232846000.

The previous prime is 2478885713. The next prime is 2478885769. The reversal of 2478885739 is 9375888742.

2478885739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2478885739 - 2¹¹ = 2478883691 is a prime.

It is a super-2 number, since 2×2478885739² = 12289749014035152242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478885769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80787 + ... + 107164.

Almost surely, 2^2478885739 is an apocalyptic number.

2478885739 is a deficient number, since it is larger than the sum of its proper divisors (270852021).

2478885739 is a wasteful number, since it uses less digits than its factorization.

2478885739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188082 (or 188071 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The square root of 2478885739 is about 49788.4096853876. The cubic root of 2478885739 is about 1353.3771394507.

The spelling of 2478885739 in words is "two billion, four hundred seventy-eight million, eight hundred eighty-five thousand, seven hundred thirty-nine".