71842228997 has 8 divisors (see below), whose sum is σ = 89569532352. Its totient is φ = 55980957600.

The previous prime is 71842228987. The next prime is 71842229003. The reversal of 71842228997 is 79982224817.

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

It is a cyclic number.

It is not a de Polignac number, because 71842228997 - 2¹⁸ = 71841966853 is a prime.

It is a super-2 number, since 2×71842228997² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71842228957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466507904 + ... + 466508057.

It is an arithmetic number, because the mean of its divisors is an integer number (11196191544).

Almost surely, 2^71842228997 is an apocalyptic number.

71842228997 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

71842228997 is a deficient number, since it is larger than the sum of its proper divisors (17727303355).

71842228997 is a wasteful number, since it uses less digits than its factorization.

71842228997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933015979.

The product of its digits is 8128512, while the sum is 59.

The spelling of 71842228997 in words is "seventy-one billion, eight hundred forty-two million, two hundred twenty-eight thousand, nine hundred ninety-seven".