7641157756 has 12 divisors (see below), whose sum is σ = 14158615968. Its totient is φ = 3595838912.

The previous prime is 7641157751. The next prime is 7641157787. The reversal of 7641157756 is 6577511467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7641157751) 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, 56184916 + ... + 56185051.

It is an arithmetic number, because the mean of its divisors is an integer number (1179884664).

Almost surely, 2^7641157756 is an apocalyptic number.

It is an amenable number.

7641157756 is a deficient number, since it is larger than the sum of its proper divisors (6517458212).

7641157756 is a wasteful number, since it uses less digits than its factorization.

7641157756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112369988 (or 112369986 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 49.

The square root of 7641157756 is about 87413.7160633273. The cubic root of 7641157756 is about 1969.6378830578.

The spelling of 7641157756 in words is "seven billion, six hundred forty-one million, one hundred fifty-seven thousand, seven hundred fifty-six".