754978487881 has 8 divisors (see below), whose sum is σ = 794006820864. Its totient is φ = 716467086720.

The previous prime is 754978487827. The next prime is 754978487909. The reversal of 754978487881 is 188784879457.

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

It is a cyclic number.

It is not a de Polignac number, because 754978487881 - 2²⁷ = 754844270153 is a prime.

It is a super-2 number, since 2×754978487881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 754978487798 and 754978487807.

It is not an unprimeable number, because it can be changed into a prime (754978488881) 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, 129229960 + ... + 129235801.

It is an arithmetic number, because the mean of its divisors is an integer number (99250852608).

Almost surely, 2^754978487881 is an apocalyptic number.

It is an amenable number.

754978487881 is a deficient number, since it is larger than the sum of its proper divisors (39028332983).

754978487881 is a wasteful number, since it uses less digits than its factorization.

754978487881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258465911.

The product of its digits is 1011548160, while the sum is 76.

The spelling of 754978487881 in words is "seven hundred fifty-four billion, nine hundred seventy-eight million, four hundred eighty-seven thousand, eight hundred eighty-one".