45000000079 has 2 divisors, whose sum is σ = 45000000080. Its totient is φ = 45000000078.

The previous prime is 44999999971. The next prime is 45000000091. The reversal of 45000000079 is 97000000054.

45000000079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45000000079 - 2¹³ = 44999991887 is a prime.

It is a super-2 number, since 2×45000000079² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45000000679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500000039 + 22500000040.

It is an arithmetic number, because the mean of its divisors is an integer number (22500000040).

Almost surely, 2^45000000079 is an apocalyptic number.

45000000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

45000000079 is an equidigital number, since it uses as much as digits as its factorization.

45000000079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Subtracting from 45000000079 its sum of digits (25), we obtain a palindrome (45000000054).

The spelling of 45000000079 in words is "forty-five billion, seventy-nine", and thus it is an aban number and an uban number.