48779220 has 48 divisors (see below), whose sum is σ = 156094848. Its totient is φ = 11149440.

The previous prime is 48779219. The next prime is 48779221. The reversal of 48779220 is 2297784.

It is an interprime number because it is at equal distance from previous prime (48779219) and next prime (48779221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48779221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57651 + ... + 58490.

It is an arithmetic number, because the mean of its divisors is an integer number (3251976).

Almost surely, 2^48779220 is an apocalyptic number.

It is an amenable number.

48779220 is an abundant number, since it is smaller than the sum of its proper divisors (107315628).

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

48779220 is a wasteful number, since it uses less digits than its factorization.

48779220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116160 (or 116158 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 48779220 is about 6984.2121960891. The cubic root of 48779220 is about 365.3801506266.

The spelling of 48779220 in words is "forty-eight million, seven hundred seventy-nine thousand, two hundred twenty".