45315799787 has 4 divisors (see below), whose sum is σ = 46369655640. Its totient is φ = 44261943936.

The previous prime is 45315799679. The next prime is 45315799799. The reversal of 45315799787 is 78799751354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45315799787 - 2²⁰ = 45314751211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45318799787) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 526927862 + ... + 526927947.

It is an arithmetic number, because the mean of its divisors is an integer number (11592413910).

Almost surely, 2^45315799787 is an apocalyptic number.

45315799787 is a deficient number, since it is larger than the sum of its proper divisors (1053855853).

45315799787 is a wasteful number, since it uses less digits than its factorization.

45315799787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053855852.

The product of its digits is 66679200, while the sum is 65.

The spelling of 45315799787 in words is "forty-five billion, three hundred fifteen million, seven hundred ninety-nine thousand, seven hundred eighty-seven".