7761906912 has 24 divisors (see below), whose sum is σ = 20375005896. Its totient is φ = 2587302272.

The previous prime is 7761906871. The next prime is 7761906931. The reversal of 7761906912 is 2196091677.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40426503 + ... + 40426694.

It is an arithmetic number, because the mean of its divisors is an integer number (848958579).

Almost surely, 2^7761906912 is an apocalyptic number.

It is an amenable number.

7761906912 is an abundant number, since it is smaller than the sum of its proper divisors (12613098984).

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

7761906912 is a wasteful number, since it uses less digits than its factorization.

7761906912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80853210 (or 80853202 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 7761906912 is about 88101.6850690156. The cubic root of 7761906912 is about 1979.9587543699.

The spelling of 7761906912 in words is "seven billion, seven hundred sixty-one million, nine hundred six thousand, nine hundred twelve".