97856767 has 2 divisors, whose sum is σ = 97856768. Its totient is φ = 97856766.

The previous prime is 97856761. The next prime is 97856797. The reversal of 97856767 is 76765879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97856767 - 2⁷ = 97856639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97856761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48928383 + 48928384.

It is an arithmetic number, because the mean of its divisors is an integer number (48928384).

Almost surely, 2^97856767 is an apocalyptic number.

97856767 is a deficient number, since it is larger than the sum of its proper divisors (1).

97856767 is an equidigital number, since it uses as much as digits as its factorization.

97856767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 55.

The square root of 97856767 is about 9892.2579323428. The cubic root of 97856767 is about 460.8189051905.

The spelling of 97856767 in words is "ninety-seven million, eight hundred fifty-six thousand, seven hundred sixty-seven".