49878090315 has 24 divisors (see below), whose sum is σ = 88791990768. Its totient is φ = 25882683840.

The previous prime is 49878090307. The next prime is 49878090319. The reversal of 49878090315 is 51309087894.

It is not a de Polignac number, because 49878090315 - 2³ = 49878090307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49878090319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14976741 + ... + 14980070.

It is an arithmetic number, because the mean of its divisors is an integer number (3699666282).

Almost surely, 2^49878090315 is an apocalyptic number.

49878090315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49878090315 is a deficient number, since it is larger than the sum of its proper divisors (38913900453).

49878090315 is a wasteful number, since it uses less digits than its factorization.

49878090315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29956859 (or 29956856 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 49878090315 in words is "forty-nine billion, eight hundred seventy-eight million, ninety thousand, three hundred fifteen".