61922996717 has 8 divisors (see below), whose sum is σ = 62911092600. Its totient is φ = 60938680320.

The previous prime is 61922996711. The next prime is 61922996747. The reversal of 61922996717 is 71769922916.

It can be written as a sum of positive squares in 4 ways, for example, as 31525422916 + 30397573801 = 177554^2 + 174349^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61922996717 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 (61922996711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911834 + ... + 977387.

It is an arithmetic number, because the mean of its divisors is an integer number (7863886575).

Almost surely, 2^61922996717 is an apocalyptic number.

It is an amenable number.

61922996717 is a deficient number, since it is larger than the sum of its proper divisors (988095883).

61922996717 is a wasteful number, since it uses less digits than its factorization.

61922996717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889743.

The product of its digits is 5143824, while the sum is 59.

The spelling of 61922996717 in words is "sixty-one billion, nine hundred twenty-two million, nine hundred ninety-six thousand, seven hundred seventeen".