49990077 has 12 divisors (see below), whose sum is σ = 73571004. Its totient is φ = 32697600.

The previous prime is 49990069. The next prime is 49990091. The reversal of 49990077 is 77009994.

49990077 is a `hidden beast` number, since 499 + 90 + 0 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41293476 + 8696601 = 6426^2 + 2949^2 .

It is not a de Polignac number, because 49990077 - 2³ = 49990069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49990277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51924 + ... + 52877.

It is an arithmetic number, because the mean of its divisors is an integer number (6130917).

Almost surely, 2^49990077 is an apocalyptic number.

It is an amenable number.

49990077 is a deficient number, since it is larger than the sum of its proper divisors (23580927).

49990077 is a wasteful number, since it uses less digits than its factorization.

49990077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104860 (or 104857 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 49990077 is about 7070.3661149901. The cubic root of 49990077 is about 368.3787771553.

The spelling of 49990077 in words is "forty-nine million, nine hundred ninety thousand, seventy-seven".