48779990 has 24 divisors (see below), whose sum is σ = 102140352. Its totient is φ = 16724400.

The previous prime is 48779933. The next prime is 48779999. The reversal of 48779990 is 9997784.

48779990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48779999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49286 + ... + 50265.

It is an arithmetic number, because the mean of its divisors is an integer number (4255848).

Almost surely, 2^48779990 is an apocalyptic number.

48779990 is an abundant number, since it is smaller than the sum of its proper divisors (53360362).

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

48779990 is a wasteful number, since it uses less digits than its factorization.

48779990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99572 (or 99565 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 48779990 is about 6984.2673201990. The cubic root of 48779990 is about 365.3820731750.

The spelling of 48779990 in words is "forty-eight million, seven hundred seventy-nine thousand, nine hundred ninety".