97000777 has 2 divisors, whose sum is σ = 97000778. Its totient is φ = 97000776.

The previous prime is 97000769. The next prime is 97000789. The reversal of 97000777 is 77700079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90554256 + 6446521 = 9516^2 + 2539^2 .

It is an emirp because it is prime and its reverse (77700079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97000777 - 2³ = 97000769 is a prime.

97000777 is a modest number, since divided by 777 gives 97 as remainder.

It is not a weakly prime, because it can be changed into another prime (97000747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48500388 + 48500389.

It is an arithmetic number, because the mean of its divisors is an integer number (48500389).

Almost surely, 2^97000777 is an apocalyptic number.

It is an amenable number.

97000777 is a deficient number, since it is larger than the sum of its proper divisors (1).

97000777 is an equidigital number, since it uses as much as digits as its factorization.

97000777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21609, while the sum is 37.

The square root of 97000777 is about 9848.8972479156. The cubic root of 97000777 is about 459.4713160499.

The spelling of 97000777 in words is "ninety-seven million, seven hundred seventy-seven", and thus it is an aban number.