248532731377 has 4 divisors (see below), whose sum is σ = 284037407296. Its totient is φ = 213028055460.

The previous prime is 248532731357. The next prime is 248532731411. The reversal of 248532731377 is 773137235842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773137235842 = 2 ⋅386568617921.

It is a cyclic number.

It is not a de Polignac number, because 248532731377 - 2¹¹ = 248532729329 is a prime.

It is a super-2 number, since 2×248532731377² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248532731357) 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, 17752337949 + ... + 17752337962.

It is an arithmetic number, because the mean of its divisors is an integer number (71009351824).

Almost surely, 2^248532731377 is an apocalyptic number.

It is an amenable number.

248532731377 is a deficient number, since it is larger than the sum of its proper divisors (35504675919).

248532731377 is an equidigital number, since it uses as much as digits as its factorization.

248532731377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35504675918.

The product of its digits is 5927040, while the sum is 52.

The spelling of 248532731377 in words is "two hundred forty-eight billion, five hundred thirty-two million, seven hundred thirty-one thousand, three hundred seventy-seven".