45686783 has 4 divisors (see below), whose sum is σ = 46130448. Its totient is φ = 45243120.

The previous prime is 45686779. The next prime is 45686789. The reversal of 45686783 is 38768654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38768654 = 2 ⋅19384327.

It is a cyclic number.

It is not a de Polignac number, because 45686783 - 2² = 45686779 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 (45686789) 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 3 ways as a sum of consecutive naturals, for example, 221678 + ... + 221883.

It is an arithmetic number, because the mean of its divisors is an integer number (11532612).

Almost surely, 2^45686783 is an apocalyptic number.

45686783 is a deficient number, since it is larger than the sum of its proper divisors (443665).

45686783 is a wasteful number, since it uses less digits than its factorization.

45686783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443664.

The product of its digits is 967680, while the sum is 47.

The square root of 45686783 is about 6759.1998786839. The cubic root of 45686783 is about 357.4896940645.

The spelling of 45686783 in words is "forty-five million, six hundred eighty-six thousand, seven hundred eighty-three".