7746849894 has 32 divisors (see below), whose sum is σ = 17725303296. Its totient is φ = 2211108480.

The previous prime is 7746849893. The next prime is 7746849899. The reversal of 7746849894 is 4989486477.

It is a super-2 number, since 2×7746849894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7746849893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53362 + ... + 135429.

It is an arithmetic number, because the mean of its divisors is an integer number (553915728).

Almost surely, 2^7746849894 is an apocalyptic number.

7746849894 is an abundant number, since it is smaller than the sum of its proper divisors (9978453402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7746849894 is a wasteful number, since it uses less digits than its factorization.

7746849894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189780.

The product of its digits is 97542144, while the sum is 66.

The square root of 7746849894 is about 88016.1910900489. The cubic root of 7746849894 is about 1978.6776442439.

The spelling of 7746849894 in words is "seven billion, seven hundred forty-six million, eight hundred forty-nine thousand, eight hundred ninety-four".