652379878 has 4 divisors (see below), whose sum is σ = 978569820. Its totient is φ = 326189938.

The previous prime is 652379863. The next prime is 652379921. The reversal of 652379878 is 878973256.

652379878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163094968 + ... + 163094971.

It is an arithmetic number, because the mean of its divisors is an integer number (244642455).

Almost surely, 2^652379878 is an apocalyptic number.

652379878 is a deficient number, since it is larger than the sum of its proper divisors (326189942).

652379878 is a wasteful number, since it uses less digits than its factorization.

652379878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326189941.

The product of its digits is 5080320, while the sum is 55.

The square root of 652379878 is about 25541.7281717585. The cubic root of 652379878 is about 867.2950194351.

The spelling of 652379878 in words is "six hundred fifty-two million, three hundred seventy-nine thousand, eight hundred seventy-eight".