7691793891 has 8 divisors (see below), whose sum is σ = 10285281984. Its totient is φ = 5113084200.

The previous prime is 7691793881. The next prime is 7691793899. The reversal of 7691793891 is 1983971967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7691793891 - 2¹¹ = 7691791843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7691793899) 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, 3693385 + ... + 3695466.

It is an arithmetic number, because the mean of its divisors is an integer number (1285660248).

Almost surely, 2^7691793891 is an apocalyptic number.

7691793891 is a deficient number, since it is larger than the sum of its proper divisors (2593488093).

7691793891 is a wasteful number, since it uses less digits than its factorization.

7691793891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389201.

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

The square root of 7691793891 is about 87702.8727636672. The cubic root of 7691793891 is about 1973.9790816933.

The spelling of 7691793891 in words is "seven billion, six hundred ninety-one million, seven hundred ninety-three thousand, eight hundred ninety-one".