248772399 has 4 divisors (see below), whose sum is σ = 331696536. Its totient is φ = 165848264.

The previous prime is 248772371. The next prime is 248772401. The reversal of 248772399 is 993277842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248772399 - 2⁵ = 248772367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248772319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41462064 + ... + 41462069.

It is an arithmetic number, because the mean of its divisors is an integer number (82924134).

Almost surely, 2^248772399 is an apocalyptic number.

248772399 is a deficient number, since it is larger than the sum of its proper divisors (82924137).

248772399 is an equidigital number, since it uses as much as digits as its factorization.

248772399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82924136.

The product of its digits is 1524096, while the sum is 51.

The square root of 248772399 is about 15772.5203756407. The cubic root of 248772399 is about 628.9277123620.

The spelling of 248772399 in words is "two hundred forty-eight million, seven hundred seventy-two thousand, three hundred ninety-nine".