248137079 has 8 divisors (see below), whose sum is σ = 256878000. Its totient is φ = 239408512.

The previous prime is 248137061. The next prime is 248137091. The reversal of 248137079 is 970731842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248137079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248137009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59732 + ... + 63750.

It is an arithmetic number, because the mean of its divisors is an integer number (32109750).

Almost surely, 2^248137079 is an apocalyptic number.

248137079 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

248137079 is a deficient number, since it is larger than the sum of its proper divisors (8740921).

248137079 is a wasteful number, since it uses less digits than its factorization.

248137079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 248137079 is about 15752.3674093769. The cubic root of 248137079 is about 628.3918665007.

The spelling of 248137079 in words is "two hundred forty-eight million, one hundred thirty-seven thousand, seventy-nine".