49977870 has 16 divisors (see below), whose sum is σ = 119946960. Its totient is φ = 13327424.

The previous prime is 49977853. The next prime is 49977871. The reversal of 49977870 is 7877994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977871) 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, 832935 + ... + 832994.

It is an arithmetic number, because the mean of its divisors is an integer number (7496685).

Almost surely, 2^49977870 is an apocalyptic number.

49977870 is an abundant number, since it is smaller than the sum of its proper divisors (69969090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49977870 is a wasteful number, since it uses less digits than its factorization.

49977870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665939.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 49977870 is about 7069.5028113722. The cubic root of 49977870 is about 368.3487900987.

The spelling of 49977870 in words is "forty-nine million, nine hundred seventy-seven thousand, eight hundred seventy".