49679599887 has 8 divisors (see below), whose sum is σ = 73599407280. Its totient is φ = 33119733240.

The previous prime is 49679599859. The next prime is 49679599933. The reversal of 49679599887 is 78899597694.

49679599887 is a `hidden beast` number, since 496 + 79 + 59 + 9 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 49679599887 - 2¹⁶ = 49679534351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49672599887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919992564 + ... + 919992617.

It is an arithmetic number, because the mean of its divisors is an integer number (9199925910).

Almost surely, 2^49679599887 is an apocalyptic number.

49679599887 is a deficient number, since it is larger than the sum of its proper divisors (23919807393).

49679599887 is a wasteful number, since it uses less digits than its factorization.

49679599887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839985190 (or 1839985184 counting only the distinct ones).

The product of its digits is 2469035520, while the sum is 81.

The spelling of 49679599887 in words is "forty-nine billion, six hundred seventy-nine million, five hundred ninety-nine thousand, eight hundred eighty-seven".