945811017807 has 16 divisors (see below), whose sum is σ = 1331641637760. Its totient is φ = 595469917152.

The previous prime is 945811017797. The next prime is 945811017839. The reversal of 945811017807 is 708710118549.

It is not a de Polignac number, because 945811017807 - 2²⁶ = 945743908943 is a prime.

It is a super-2 number, since 2×945811017807² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 945811017807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945811017857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26154133 + ... + 26190270.

It is an arithmetic number, because the mean of its divisors is an integer number (83227602360).

Almost surely, 2^945811017807 is an apocalyptic number.

945811017807 is a deficient number, since it is larger than the sum of its proper divisors (385830619953).

945811017807 is a wasteful number, since it uses less digits than its factorization.

945811017807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52344742.

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 945811017807 in words is "nine hundred forty-five billion, eight hundred eleven million, seventeen thousand, eight hundred seven".