48778165 has 8 divisors (see below), whose sum is σ = 58961880. Its totient is φ = 38737152.

The previous prime is 48778157. The next prime is 48778181. The reversal of 48778165 is 56187784.

It can be written as a sum of positive squares in 4 ways, for example, as 15876 + 48762289 = 126^2 + 6983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48778165 - 2³ = 48778157 is a prime.

It is a super-3 number, since 3×48778165³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34920 + ... + 36289.

It is an arithmetic number, because the mean of its divisors is an integer number (7370235).

Almost surely, 2^48778165 is an apocalyptic number.

It is an amenable number.

48778165 is a deficient number, since it is larger than the sum of its proper divisors (10183715).

48778165 is a wasteful number, since it uses less digits than its factorization.

48778165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71351.

The product of its digits is 376320, while the sum is 46.

The square root of 48778165 is about 6984.1366681931. The cubic root of 48778165 is about 365.3775164527.

The spelling of 48778165 in words is "forty-eight million, seven hundred seventy-eight thousand, one hundred sixty-five".