61879843296 has 96 divisors (see below), whose sum is σ = 181860940800. Its totient is φ = 20469121920.

The previous prime is 61879843279. The next prime is 61879843307. The reversal of 61879843296 is 69234897816.

61879843296 is a `hidden beast` number, since 618 + 7 + 9 + 8 + 4 + 3 + 2 + 9 + 6 = 666.

61879843296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×61879843296² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160176 + ... + 386543.

It is an arithmetic number, because the mean of its divisors is an integer number (1894384800).

Almost surely, 2^61879843296 is an apocalyptic number.

It is an amenable number.

61879843296 is an abundant number, since it is smaller than the sum of its proper divisors (119981097504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61879843296 is a wasteful number, since it uses less digits than its factorization.

61879843296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546869 (or 546855 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 61879843296 in words is "sixty-one billion, eight hundred seventy-nine million, eight hundred forty-three thousand, two hundred ninety-six".