61182082879 has 4 divisors (see below), whose sum is σ = 61190544184. Its totient is φ = 61173621576.

The previous prime is 61182082873. The next prime is 61182082883. The reversal of 61182082879 is 97828028116.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61182082879 - 2⁷ = 61182082751 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 (61182082873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4219797 + ... + 4234270.

It is an arithmetic number, because the mean of its divisors is an integer number (15297636046).

Almost surely, 2^61182082879 is an apocalyptic number.

61182082879 is a deficient number, since it is larger than the sum of its proper divisors (8461305).

61182082879 is an equidigital number, since it uses as much as digits as its factorization.

61182082879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461304.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 61182082879 in words is "sixty-one billion, one hundred eighty-two million, eighty-two thousand, eight hundred seventy-nine".