6155844797 has 4 divisors (see below), whose sum is σ = 6193610880. Its totient is φ = 6118078716.

The previous prime is 6155844791. The next prime is 6155844803. The reversal of 6155844797 is 7974485516.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (6155844791) and next prime (6155844803).

It is a cyclic number.

It is not a de Polignac number, because 6155844797 - 2¹⁰ = 6155843773 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 (6155844791) 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, 18882797 + ... + 18883122.

It is an arithmetic number, because the mean of its divisors is an integer number (1548402720).

Almost surely, 2^6155844797 is an apocalyptic number.

It is an amenable number.

6155844797 is a deficient number, since it is larger than the sum of its proper divisors (37766083).

6155844797 is a wasteful number, since it uses less digits than its factorization.

6155844797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37766082.

The product of its digits is 8467200, while the sum is 56.

The square root of 6155844797 is about 78459.1919216608. The cubic root of 6155844797 is about 1832.7190210630.

The spelling of 6155844797 in words is "six billion, one hundred fifty-five million, eight hundred forty-four thousand, seven hundred ninety-seven".