97826749 has 2 divisors, whose sum is σ = 97826750. Its totient is φ = 97826748.

The previous prime is 97826741. The next prime is 97826777. The reversal of 97826749 is 94762879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61308900 + 36517849 = 7830^2 + 6043^2 .

It is a cyclic number.

It is not a de Polignac number, because 97826749 - 2³ = 97826741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97826696 and 97826705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97826741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48913374 + 48913375.

It is an arithmetic number, because the mean of its divisors is an integer number (48913375).

Almost surely, 2^97826749 is an apocalyptic number.

It is an amenable number.

97826749 is a deficient number, since it is larger than the sum of its proper divisors (1).

97826749 is an equidigital number, since it uses as much as digits as its factorization.

97826749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 97826749 is about 9890.7405688351. The cubic root of 97826749 is about 460.7717809531.

The spelling of 97826749 in words is "ninety-seven million, eight hundred twenty-six thousand, seven hundred forty-nine".