45779791 has 4 divisors (see below), whose sum is σ = 45885952. Its totient is φ = 45673632.

The previous prime is 45779761. The next prime is 45779807. The reversal of 45779791 is 19797754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19797754 = 2 ⋅9898877.

It is a cyclic number.

It is not a de Polignac number, because 45779791 - 2⁷ = 45779663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45779711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52431 + ... + 53296.

It is an arithmetic number, because the mean of its divisors is an integer number (11471488).

Almost surely, 2^45779791 is an apocalyptic number.

45779791 is a deficient number, since it is larger than the sum of its proper divisors (106161).

45779791 is a wasteful number, since it uses less digits than its factorization.

45779791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106160.

The product of its digits is 555660, while the sum is 49.

The square root of 45779791 is about 6766.0764849357. The cubic root of 45779791 is about 357.7321191307.

The spelling of 45779791 in words is "forty-five million, seven hundred seventy-nine thousand, seven hundred ninety-one".