45263778579 has 48 divisors (see below), whose sum is σ = 72484027200. Its totient is φ = 27115216128.

The previous prime is 45263778569. The next prime is 45263778589. The reversal of 45263778579 is 97587736254.

45263778579 is a `hidden beast` number, since 4 + 5 + 26 + 37 + 7 + 8 + 579 = 666.

It is an interprime number because it is at equal distance from previous prime (45263778569) and next prime (45263778589).

It is not a de Polignac number, because 45263778579 - 2⁴ = 45263778563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45263778569) 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 47 ways as a sum of consecutive naturals, for example, 120217 + ... + 324005.

It is an arithmetic number, because the mean of its divisors is an integer number (1510083900).

Almost surely, 2^45263778579 is an apocalyptic number.

45263778579 is a deficient number, since it is larger than the sum of its proper divisors (27220248621).

45263778579 is a wasteful number, since it uses less digits than its factorization.

45263778579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203884 (or 203881 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 45263778579 in words is "forty-five billion, two hundred sixty-three million, seven hundred seventy-eight thousand, five hundred seventy-nine".