45878789 has 8 divisors (see below), whose sum is σ = 50127168. Its totient is φ = 41643360.

The previous prime is 45878753. The next prime is 45878827. The reversal of 45878789 is 98787854.

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

It is not a de Polignac number, because 45878789 - 2¹² = 45874693 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45878489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (6265896).

Almost surely, 2^45878789 is an apocalyptic number.

It is an amenable number.

45878789 is a deficient number, since it is larger than the sum of its proper divisors (4248379).

45878789 is a wasteful number, since it uses less digits than its factorization.

45878789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475.

The product of its digits is 4515840, while the sum is 56.

The square root of 45878789 is about 6773.3882953807. The cubic root of 45878789 is about 357.9897966361.

The spelling of 45878789 in words is "forty-five million, eight hundred seventy-eight thousand, seven hundred eighty-nine".