97722869 has 4 divisors (see below), whose sum is σ = 97783296. Its totient is φ = 97662444.

The previous prime is 97722857. The next prime is 97722893. The reversal of 97722869 is 96822779.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96822779 = 2063 ⋅46933.

It is a cyclic number.

It is not a de Polignac number, because 97722869 - 2¹² = 97718773 is a prime.

It is a super-2 number, since 2×97722869² = 19099518251182322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97722829) 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, 27719 + ... + 31044.

It is an arithmetic number, because the mean of its divisors is an integer number (24445824).

Almost surely, 2^97722869 is an apocalyptic number.

It is an amenable number.

97722869 is a deficient number, since it is larger than the sum of its proper divisors (60427).

97722869 is a wasteful number, since it uses less digits than its factorization.

97722869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60426.

The product of its digits is 762048, while the sum is 50.

The square root of 97722869 is about 9885.4877977771. The cubic root of 97722869 is about 460.6086288318.

The spelling of 97722869 in words is "ninety-seven million, seven hundred twenty-two thousand, eight hundred sixty-nine".