5072178257 has 4 divisors (see below), whose sum is σ = 5158147440. Its totient is φ = 4986209076.

The previous prime is 5072178253. The next prime is 5072178283. The reversal of 5072178257 is 7528712705.

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.

It is a cyclic number.

It is not a de Polignac number, because 5072178257 - 2² = 5072178253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5072178253) 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, 42984503 + ... + 42984620.

It is an arithmetic number, because the mean of its divisors is an integer number (1289536860).

Almost surely, 2^5072178257 is an apocalyptic number.

It is an amenable number.

5072178257 is a deficient number, since it is larger than the sum of its proper divisors (85969183).

5072178257 is an equidigital number, since it uses as much as digits as its factorization.

5072178257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85969182.

The product of its (nonzero) digits is 274400, while the sum is 44.

The square root of 5072178257 is about 71219.2267368862. The cubic root of 5072178257 is about 1718.1648735696.

The spelling of 5072178257 in words is "five billion, seventy-two million, one hundred seventy-eight thousand, two hundred fifty-seven".