49278678275 has 12 divisors (see below), whose sum is σ = 61415747712. Its totient is φ = 39222822240.

The previous prime is 49278678263. The next prime is 49278678283. The reversal of 49278678275 is 57287687294.

It is not a de Polignac number, because 49278678275 - 2⁴ = 49278678259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4997987 + ... + 5007836.

It is an arithmetic number, because the mean of its divisors is an integer number (5117978976).

Almost surely, 2^49278678275 is an apocalyptic number.

49278678275 is a deficient number, since it is larger than the sum of its proper divisors (12137069437).

49278678275 is a wasteful number, since it uses less digits than its factorization.

49278678275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006030 (or 10006025 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 65.

The spelling of 49278678275 in words is "forty-nine billion, two hundred seventy-eight million, six hundred seventy-eight thousand, two hundred seventy-five".