48177909 has 48 divisors (see below), whose sum is σ = 79008384. Its totient is φ = 29160000.

The previous prime is 48177907. The next prime is 48177917. The reversal of 48177909 is 90977184.

It is not a de Polignac number, because 48177909 - 2¹ = 48177907 is a prime.

It is a super-2 number, since 2×48177909² = 4642221831224562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48177907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318984 + ... + 319134.

It is an arithmetic number, because the mean of its divisors is an integer number (1646008).

Almost surely, 2^48177909 is an apocalyptic number.

It is an amenable number.

48177909 is a deficient number, since it is larger than the sum of its proper divisors (30830475).

48177909 is a wasteful number, since it uses less digits than its factorization.

48177909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 48177909 is about 6941.0308312238. The cubic root of 48177909 is about 363.8725678993.

The spelling of 48177909 in words is "forty-eight million, one hundred seventy-seven thousand, nine hundred nine".