49999887 has 24 divisors (see below), whose sum is σ = 86885760. Its totient is φ = 27066960.

The previous prime is 49999883. The next prime is 49999897. The reversal of 49999887 is 78899994.

It is not a de Polignac number, because 49999887 - 2² = 49999883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999883) 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, 19689 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (3620240).

Almost surely, 2^49999887 is an apocalyptic number.

49999887 is a deficient number, since it is larger than the sum of its proper divisors (36885873).

49999887 is a wasteful number, since it uses less digits than its factorization.

49999887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803 (or 41800 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 49999887 is about 7071.0598215543. The cubic root of 49999887 is about 368.4028723335.

The spelling of 49999887 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred eighty-seven".