4621565878 has 8 divisors (see below), whose sum is σ = 7000986240. Its totient is φ = 2287903800.

The previous prime is 4621565857. The next prime is 4621565887. The reversal of 4621565878 is 8785651264.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11439318 + ... + 11439721.

It is an arithmetic number, because the mean of its divisors is an integer number (875123280).

Almost surely, 2^4621565878 is an apocalyptic number.

4621565878 is a deficient number, since it is larger than the sum of its proper divisors (2379420362).

4621565878 is a wasteful number, since it uses less digits than its factorization.

4621565878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22879142.

The product of its digits is 3225600, while the sum is 52.

The square root of 4621565878 is about 67982.0996880797. The cubic root of 4621565878 is about 1665.6984541187.

The spelling of 4621565878 in words is "four billion, six hundred twenty-one million, five hundred sixty-five thousand, eight hundred seventy-eight".