6157955797 has 4 divisors (see below), whose sum is σ = 7037663776. Its totient is φ = 5278247820.

The previous prime is 6157955789. The next prime is 6157955813. The reversal of 6157955797 is 7975597516.

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 6157955797 - 2³ = 6157955789 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 (6157955707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439853979 + ... + 439853992.

It is an arithmetic number, because the mean of its divisors is an integer number (1759415944).

Almost surely, 2^6157955797 is an apocalyptic number.

It is an amenable number.

6157955797 is a deficient number, since it is larger than the sum of its proper divisors (879707979).

6157955797 is an equidigital number, since it uses as much as digits as its factorization.

6157955797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879707978.

The product of its digits is 20837250, while the sum is 61.

The square root of 6157955797 is about 78472.6436218381. The cubic root of 6157955797 is about 1832.9284928641.

The spelling of 6157955797 in words is "six billion, one hundred fifty-seven million, nine hundred fifty-five thousand, seven hundred ninety-seven".