248157247839 has 48 divisors (see below), whose sum is σ = 370228307040. Its totient is φ = 147320248320.

The previous prime is 248157247823. The next prime is 248157247843. The reversal of 248157247839 is 938742751842.

It is not a de Polignac number, because 248157247839 - 2⁴ = 248157247823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248157247879) 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, 14886169 + ... + 14902829.

It is an arithmetic number, because the mean of its divisors is an integer number (7713089730).

Almost surely, 2^248157247839 is an apocalyptic number.

248157247839 is a deficient number, since it is larger than the sum of its proper divisors (122071059201).

248157247839 is a wasteful number, since it uses less digits than its factorization.

248157247839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528 (or 17509 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 248157247839 in words is "two hundred forty-eight billion, one hundred fifty-seven million, two hundred forty-seven thousand, eight hundred thirty-nine".