7873715792945 has 32 divisors (see below), whose sum is σ = 9706084540416. Its totient is φ = 6128834803200.

The previous prime is 7873715792927. The next prime is 7873715792947. The reversal of 7873715792945 is 5492975173787.

It is not a de Polignac number, because 7873715792945 - 2⁶ = 7873715792881 is a prime.

It is a super-2 number, since 2×7873715792945² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7873715792947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72704477 + ... + 72812693.

It is an arithmetic number, because the mean of its divisors is an integer number (303315141888).

Almost surely, 2^{7873715792945} is an apocalyptic number.

It is an amenable number.

7873715792945 is a deficient number, since it is larger than the sum of its proper divisors (1832368747471).

7873715792945 is a wasteful number, since it uses less digits than its factorization.

7873715792945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110081.

The product of its digits is 933508800, while the sum is 74.

The spelling of 7873715792945 in words is "seven trillion, eight hundred seventy-three billion, seven hundred fifteen million, seven hundred ninety-two thousand, nine hundred forty-five".