61761298892 has 24 divisors (see below), whose sum is σ = 108410265600. Its totient is φ = 30787034256.

The previous prime is 61761298867. The next prime is 61761298903. The reversal of 61761298892 is 29889216716.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776109 + ... + 2798267.

It is an arithmetic number, because the mean of its divisors is an integer number (4517094400).

Almost surely, 2^61761298892 is an apocalyptic number.

It is an amenable number.

61761298892 is a deficient number, since it is larger than the sum of its proper divisors (46648966708).

61761298892 is a wasteful number, since it uses less digits than its factorization.

61761298892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24245 (or 24243 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 59.

The spelling of 61761298892 in words is "sixty-one billion, seven hundred sixty-one million, two hundred ninety-eight thousand, eight hundred ninety-two".