49878902793 has 16 divisors (see below), whose sum is σ = 67425169856. Its totient is φ = 32792739840.

The previous prime is 49878902789. The next prime is 49878902807. The reversal of 49878902793 is 39720987894.

It is not a de Polignac number, because 49878902793 - 2² = 49878902789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49878902713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3239433 + ... + 3254793.

It is an arithmetic number, because the mean of its divisors is an integer number (4214073116).

Almost surely, 2^49878902793 is an apocalyptic number.

It is an amenable number.

49878902793 is a deficient number, since it is larger than the sum of its proper divisors (17546267063).

49878902793 is a wasteful number, since it uses less digits than its factorization.

49878902793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264.

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 49878902793 in words is "forty-nine billion, eight hundred seventy-eight million, nine hundred two thousand, seven hundred ninety-three".