7945545889279 has 8 divisors (see below), whose sum is σ = 8153057887488. Its totient is φ = 7739636300760.

The previous prime is 7945545889271. The next prime is 7945545889283. The reversal of 7945545889279 is 9729885455497.

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 7945545889279 - 2³ = 7945545889271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945545889271) 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, 400592377 + ... + 400612210.

It is an arithmetic number, because the mean of its divisors is an integer number (1019132235936).

Almost surely, 2^{7945545889279} is an apocalyptic number.

7945545889279 is a deficient number, since it is larger than the sum of its proper divisors (207511998209).

7945545889279 is a wasteful number, since it uses less digits than its factorization.

7945545889279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801204845.

The product of its digits is 9144576000, while the sum is 82.

The spelling of 7945545889279 in words is "seven trillion, nine hundred forty-five billion, five hundred forty-five million, eight hundred eighty-nine thousand, two hundred seventy-nine".