49910878079 has 4 divisors (see below), whose sum is σ = 49950840000. Its totient is φ = 49870916160.

The previous prime is 49910878063. The next prime is 49910878091. The reversal of 49910878079 is 97087801994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49910878079 - 2⁴ = 49910878063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49910878379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19979087 + ... + 19981584.

It is an arithmetic number, because the mean of its divisors is an integer number (12487710000).

Almost surely, 2^49910878079 is an apocalyptic number.

49910878079 is a deficient number, since it is larger than the sum of its proper divisors (39961921).

49910878079 is a wasteful number, since it uses less digits than its factorization.

49910878079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39961920.

The product of its (nonzero) digits is 9144576, while the sum is 62.

The spelling of 49910878079 in words is "forty-nine billion, nine hundred ten million, eight hundred seventy-eight thousand, seventy-nine".