888723397 has 2 divisors, whose sum is σ = 888723398. Its totient is φ = 888723396.

The previous prime is 888723361. The next prime is 888723439. The reversal of 888723397 is 793327888.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 772061796 + 116661601 = 27786^2 + 10801^2 .

It is a cyclic number.

It is not a de Polignac number, because 888723397 - 2²³ = 880334789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888723307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444361698 + 444361699.

It is an arithmetic number, because the mean of its divisors is an integer number (444361699).

Almost surely, 2^888723397 is an apocalyptic number.

It is an amenable number.

888723397 is a deficient number, since it is larger than the sum of its proper divisors (1).

888723397 is an equidigital number, since it uses as much as digits as its factorization.

888723397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 55.

The square root of 888723397 is about 29811.4641874565. The cubic root of 888723397 is about 961.4400396834.

The spelling of 888723397 in words is "eight hundred eighty-eight million, seven hundred twenty-three thousand, three hundred ninety-seven".