7971087762 has 48 divisors (see below), whose sum is σ = 19278930528. Its totient is φ = 2359304640.

The previous prime is 7971087749. The next prime is 7971087763. The reversal of 7971087762 is 2677801797.

It is a junction number, because it is equal to n+sod(n) for n = 7971087699 and 7971087708.

It is not an unprimeable number, because it can be changed into a prime (7971087763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459603 + ... + 476630.

It is an arithmetic number, because the mean of its divisors is an integer number (401644386).

Almost surely, 2^7971087762 is an apocalyptic number.

7971087762 is an abundant number, since it is smaller than the sum of its proper divisors (11307842766).

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

7971087762 is a wasteful number, since it uses less digits than its factorization.

7971087762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936295 (or 936292 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The square root of 7971087762 is about 89280.9484828650. The cubic root of 7971087762 is about 1997.5877385003.

The spelling of 7971087762 in words is "seven billion, nine hundred seventy-one million, eighty-seven thousand, seven hundred sixty-two".