61879023 has 12 divisors (see below), whose sum is σ = 90896520. Its totient is φ = 40553136.

The previous prime is 61879019. The next prime is 61879033. The reversal of 61879023 is 32097816.

It is not a de Polignac number, because 61879023 - 2² = 61879019 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61879003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57736 + ... + 58797.

It is an arithmetic number, because the mean of its divisors is an integer number (7574710).

Almost surely, 2^61879023 is an apocalyptic number.

61879023 is a deficient number, since it is larger than the sum of its proper divisors (29017497).

61879023 is a wasteful number, since it uses less digits than its factorization.

61879023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116598 (or 116595 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 61879023 is about 7866.3220757861. The cubic root of 61879023 is about 395.5315665495.

The spelling of 61879023 in words is "sixty-one million, eight hundred seventy-nine thousand, twenty-three".