7691706831 has 16 divisors (see below), whose sum is σ = 11007637344. Its totient is φ = 4760054784.

The previous prime is 7691706823. The next prime is 7691706833. The reversal of 7691706831 is 1386071967.

It is a happy number.

7691706831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7691706831 - 2³ = 7691706823 is a prime.

It is a super-2 number, since 2×7691706831² (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 (7691706833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029276 + ... + 1036721.

It is an arithmetic number, because the mean of its divisors is an integer number (687977334).

Almost surely, 2^7691706831 is an apocalyptic number.

7691706831 is a deficient number, since it is larger than the sum of its proper divisors (3315930513).

7691706831 is a wasteful number, since it uses less digits than its factorization.

7691706831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066090.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 7691706831 is about 87702.3764273238. The cubic root of 7691706831 is about 1973.9716341342.

The spelling of 7691706831 in words is "seven billion, six hundred ninety-one million, seven hundred six thousand, eight hundred thirty-one".