7927909632 has 54 divisors (see below), whose sum is σ = 22858124562. Its totient is φ = 2642635776.

The previous prime is 7927909607. The next prime is 7927909637. The reversal of 7927909632 is 2369097297.

It can be written as a sum of positive squares in only one way, i.e., 6211961856 + 1715947776 = 78816^2 + 41424^2 .

It is a super-2 number, since 2×7927909632² (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 (7927909637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1718163 + ... + 1722770.

It is an arithmetic number, because the mean of its divisors is an integer number (423298603).

Almost surely, 2^7927909632 is an apocalyptic number.

7927909632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7927909632 is an abundant number, since it is smaller than the sum of its proper divisors (14930214930).

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

7927909632 is a wasteful number, since it uses less digits than its factorization.

7927909632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440955 (or 3440938 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The square root of 7927909632 is about 89038.8096955479. The cubic root of 7927909632 is about 1993.9743332353.

The spelling of 7927909632 in words is "seven billion, nine hundred twenty-seven million, nine hundred nine thousand, six hundred thirty-two".