49178797 has 2 divisors, whose sum is σ = 49178798. Its totient is φ = 49178796.

The previous prime is 49178771. The next prime is 49178839. The reversal of 49178797 is 79787194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47692836 + 1485961 = 6906^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 49178797 - 2¹¹ = 49176749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49128797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24589398 + 24589399.

It is an arithmetic number, because the mean of its divisors is an integer number (24589399).

Almost surely, 2^49178797 is an apocalyptic number.

It is an amenable number.

49178797 is a deficient number, since it is larger than the sum of its proper divisors (1).

49178797 is an equidigital number, since it uses as much as digits as its factorization.

49178797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 52.

The square root of 49178797 is about 7012.7595852132. The cubic root of 49178797 is about 366.3751143331.

The spelling of 49178797 in words is "forty-nine million, one hundred seventy-eight thousand, seven hundred ninety-seven".