45784878 has 8 divisors (see below), whose sum is σ = 91569768. Its totient is φ = 15261624.

The previous prime is 45784877. The next prime is 45784883. The reversal of 45784878 is 87848754.

It is a sphenic number, since it is the product of 3 distinct primes.

45784878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 45784878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45784877) 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, 3815401 + ... + 3815412.

It is an arithmetic number, because the mean of its divisors is an integer number (11446221).

Almost surely, 2^45784878 is an apocalyptic number.

45784878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45784878 is a wasteful number, since it uses less digits than its factorization.

45784878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630818.

The product of its digits is 2007040, while the sum is 51.

The square root of 45784878 is about 6766.4523939802. The cubic root of 45784878 is about 357.7453689064.

The spelling of 45784878 in words is "forty-five million, seven hundred eighty-four thousand, eight hundred seventy-eight".