97722079 has 8 divisors (see below), whose sum is σ = 120273440. Its totient is φ = 77318496.

The previous prime is 97722077. The next prime is 97722127. The reversal of 97722079 is 97022779.

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 97722079 - 2¹ = 97722077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97722077) 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, 536844 + ... + 537025.

It is an arithmetic number, because the mean of its divisors is an integer number (15034180).

Almost surely, 2^97722079 is an apocalyptic number.

97722079 is a deficient number, since it is larger than the sum of its proper divisors (22551361).

97722079 is a wasteful number, since it uses less digits than its factorization.

97722079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073889.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 97722079 is about 9885.4478401335. The cubic root of 97722079 is about 460.6073876287.

The spelling of 97722079 in words is "ninety-seven million, seven hundred twenty-two thousand, seventy-nine".