7785497332 has 48 divisors (see below), whose sum is σ = 14561213184. Its totient is φ = 3634400000.

The previous prime is 7785497303. The next prime is 7785497353. The reversal of 7785497332 is 2337945877.

It is a super-2 number, since 2×7785497332² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653832 + ... + 665632.

It is an arithmetic number, because the mean of its divisors is an integer number (303358608).

Almost surely, 2^7785497332 is an apocalyptic number.

It is an amenable number.

7785497332 is a deficient number, since it is larger than the sum of its proper divisors (6775715852).

7785497332 is a wasteful number, since it uses less digits than its factorization.

7785497332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000 (or 11998 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 55.

The square root of 7785497332 is about 88235.4652733242. The cubic root of 7785497332 is about 1981.9625926714.

The spelling of 7785497332 in words is "seven billion, seven hundred eighty-five million, four hundred ninety-seven thousand, three hundred thirty-two".