7944851612 has 24 divisors (see below), whose sum is σ = 14271453504. Its totient is φ = 3868152512.

The previous prime is 7944851611. The next prime is 7944851627. The reversal of 7944851612 is 2161584497.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944851611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70223 + ... + 144294.

It is an arithmetic number, because the mean of its divisors is an integer number (594643896).

Almost surely, 2^7944851612 is an apocalyptic number.

It is an amenable number.

7944851612 is a deficient number, since it is larger than the sum of its proper divisors (6326601892).

7944851612 is a wasteful number, since it uses less digits than its factorization.

7944851612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214765 (or 214763 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 7944851612 is about 89133.8970986908. The cubic root of 7944851612 is about 1995.3937001455.

The spelling of 7944851612 in words is "seven billion, nine hundred forty-four million, eight hundred fifty-one thousand, six hundred twelve".