49870477 has 2 divisors, whose sum is σ = 49870478. Its totient is φ = 49870476.

The previous prime is 49870451. The next prime is 49870481. The reversal of 49870477 is 77407894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45846441 + 4024036 = 6771^2 + 2006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49870477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49870427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24935238 + 24935239.

It is an arithmetic number, because the mean of its divisors is an integer number (24935239).

Almost surely, 2^49870477 is an apocalyptic number.

It is an amenable number.

49870477 is a deficient number, since it is larger than the sum of its proper divisors (1).

49870477 is an equidigital number, since it uses as much as digits as its factorization.

49870477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 49870477 is about 7061.9032137236. The cubic root of 49870477 is about 368.0847635754.

The spelling of 49870477 in words is "forty-nine million, eight hundred seventy thousand, four hundred seventy-seven".