97789726 has 8 divisors (see below), whose sum is σ = 146768760. Its totient is φ = 48866808.

The previous prime is 97789723. The next prime is 97789733. The reversal of 97789726 is 62798779.

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

It is a super-2 number, since 2×97789726² = 19125661022310152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97789723) 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, 9361 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (18346095).

Almost surely, 2^97789726 is an apocalyptic number.

97789726 is a deficient number, since it is larger than the sum of its proper divisors (48979034).

97789726 is a wasteful number, since it uses less digits than its factorization.

97789726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058.

The product of its digits is 2667168, while the sum is 55.

The square root of 97789726 is about 9888.8687927386. The cubic root of 97789726 is about 460.7136465256.

The spelling of 97789726 in words is "ninety-seven million, seven hundred eighty-nine thousand, seven hundred twenty-six".