968773581 has 8 divisors (see below), whose sum is σ = 1435220160. Its totient is φ = 645849036.

The previous prime is 968773573. The next prime is 968773643. The reversal of 968773581 is 185377869.

It is not a de Polignac number, because 968773581 - 2³ = 968773573 is a prime.

It is a super-2 number, since 2×968773581² = 1877044502487127122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968773571) 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, 17940225 + ... + 17940278.

It is an arithmetic number, because the mean of its divisors is an integer number (179402520).

Almost surely, 2^968773581 is an apocalyptic number.

It is an amenable number.

968773581 is a deficient number, since it is larger than the sum of its proper divisors (466446579).

968773581 is a wasteful number, since it uses less digits than its factorization.

968773581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35880512 (or 35880506 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 968773581 is about 31125.1278069665. The cubic root of 968773581 is about 989.4809308317.

The spelling of 968773581 in words is "nine hundred sixty-eight million, seven hundred seventy-three thousand, five hundred eighty-one".