61876839 has 8 divisors (see below), whose sum is σ = 84732400. Its totient is φ = 40136256.

The previous prime is 61876819. The next prime is 61876847. The reversal of 61876839 is 93867816.

61876839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61876839 - 2²⁰ = 60828263 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 (61876819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278614 + ... + 278835.

It is an arithmetic number, because the mean of its divisors is an integer number (10591550).

Almost surely, 2^61876839 is an apocalyptic number.

61876839 is a deficient number, since it is larger than the sum of its proper divisors (22855561).

61876839 is a wasteful number, since it uses less digits than its factorization.

61876839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557489.

The product of its digits is 435456, while the sum is 48.

The square root of 61876839 is about 7866.1832549210. The cubic root of 61876839 is about 395.5269131087.

The spelling of 61876839 in words is "sixty-one million, eight hundred seventy-six thousand, eight hundred thirty-nine".