80968390695 has 48 divisors (see below), whose sum is σ = 146425732320. Its totient is φ = 42450977664.

The previous prime is 80968390691. The next prime is 80968390697. The reversal of 80968390695 is 59609386908.

It is not a de Polignac number, because 80968390695 - 2² = 80968390691 is a prime.

It is a super-3 number, since 3×80968390695³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80968390691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383787 + ... + 556083.

It is an arithmetic number, because the mean of its divisors is an integer number (3050536090).

Almost surely, 2^80968390695 is an apocalyptic number.

80968390695 is a deficient number, since it is larger than the sum of its proper divisors (65457341625).

80968390695 is a wasteful number, since it uses less digits than its factorization.

80968390695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172429 (or 172364 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 80968390695 in words is "eighty billion, nine hundred sixty-eight million, three hundred ninety thousand, six hundred ninety-five".