753968891 has 8 divisors (see below), whose sum is σ = 813822240. Its totient is φ = 694380672.

The previous prime is 753968879. The next prime is 753968899. The reversal of 753968891 is 198869357.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-753968891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (753968899) 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, 60350 + ... + 71763.

It is an arithmetic number, because the mean of its divisors is an integer number (101727780).

Almost surely, 2^753968891 is an apocalyptic number.

753968891 is a deficient number, since it is larger than the sum of its proper divisors (59853349).

753968891 is a wasteful number, since it uses less digits than its factorization.

753968891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132565.

The product of its digits is 3265920, while the sum is 56.

The square root of 753968891 is about 27458.4939681695. The cubic root of 753968891 is about 910.1601340381.

The spelling of 753968891 in words is "seven hundred fifty-three million, nine hundred sixty-eight thousand, eight hundred ninety-one".