7731199896 has 32 divisors (see below), whose sum is σ = 22089143040. Its totient is φ = 2208914208.

The previous prime is 7731199867. The next prime is 7731199897. The reversal of 7731199896 is 6989911377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7731199897) 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, 23009356 + ... + 23009691.

It is an arithmetic number, because the mean of its divisors is an integer number (690285720).

Almost surely, 2^7731199896 is an apocalyptic number.

It is an amenable number.

7731199896 is an abundant number, since it is smaller than the sum of its proper divisors (14357943144).

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

7731199896 is a wasteful number, since it uses less digits than its factorization.

7731199896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46019063 (or 46019059 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 60.

The square root of 7731199896 is about 87927.2420584201. The cubic root of 7731199896 is about 1977.3443204848.

The spelling of 7731199896 in words is "seven billion, seven hundred thirty-one million, one hundred ninety-nine thousand, eight hundred ninety-six".