97166767 has 2 divisors, whose sum is σ = 97166768. Its totient is φ = 97166766.

The previous prime is 97166759. The next prime is 97166809. The reversal of 97166767 is 76766179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97166767 - 2³ = 97166759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97166767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97166737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48583383 + 48583384.

It is an arithmetic number, because the mean of its divisors is an integer number (48583384).

Almost surely, 2^97166767 is an apocalyptic number.

97166767 is a deficient number, since it is larger than the sum of its proper divisors (1).

97166767 is an equidigital number, since it uses as much as digits as its factorization.

97166767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 49.

The square root of 97166767 is about 9857.3204776958. The cubic root of 97166767 is about 459.7332527194.

The spelling of 97166767 in words is "ninety-seven million, one hundred sixty-six thousand, seven hundred sixty-seven".