7874559745 has 8 divisors (see below), whose sum is σ = 10176354216. Its totient is φ = 5815059456.

The previous prime is 7874559701. The next prime is 7874559757. The reversal of 7874559745 is 5479554787.

It can be written as a sum of positive squares in 4 ways, for example, as 258855921 + 7615703824 = 16089^2 + 87268^2 .

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 7874559745 - 2¹⁹ = 7874035457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60573472 + ... + 60573601.

It is an arithmetic number, because the mean of its divisors is an integer number (1272044277).

Almost surely, 2^7874559745 is an apocalyptic number.

It is an amenable number.

7874559745 is a deficient number, since it is larger than the sum of its proper divisors (2301794471).

7874559745 is a wasteful number, since it uses less digits than its factorization.

7874559745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121147091.

The product of its digits is 49392000, while the sum is 61.

The square root of 7874559745 is about 88738.7161559147. The cubic root of 7874559745 is about 1989.4915281286.

The spelling of 7874559745 in words is "seven billion, eight hundred seventy-four million, five hundred fifty-nine thousand, seven hundred forty-five".