248773665 has 32 divisors (see below), whose sum is σ = 481662720. Its totient is φ = 107034624.

The previous prime is 248773649. The next prime is 248773709. The reversal of 248773665 is 566377842.

It is not a de Polignac number, because 248773665 - 2⁴ = 248773649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67900 + ... + 71469.

It is an arithmetic number, because the mean of its divisors is an integer number (15051960).

Almost surely, 2^248773665 is an apocalyptic number.

It is an amenable number.

248773665 is a deficient number, since it is larger than the sum of its proper divisors (232889055).

248773665 is a wasteful number, since it uses less digits than its factorization.

248773665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139401.

The product of its digits is 1693440, while the sum is 48.

The square root of 248773665 is about 15772.5605086809. The cubic root of 248773665 is about 628.9287792289.

The spelling of 248773665 in words is "two hundred forty-eight million, seven hundred seventy-three thousand, six hundred sixty-five".