97799311 has 2 divisors, whose sum is σ = 97799312. Its totient is φ = 97799310.

The previous prime is 97799239. The next prime is 97799347. The reversal of 97799311 is 11399779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97799311 - 2¹¹ = 97797263 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 (97796311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48899655 + 48899656.

It is an arithmetic number, because the mean of its divisors is an integer number (48899656).

Almost surely, 2^97799311 is an apocalyptic number.

97799311 is a deficient number, since it is larger than the sum of its proper divisors (1).

97799311 is an equidigital number, since it uses as much as digits as its factorization.

97799311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107163, while the sum is 46.

The square root of 97799311 is about 9889.3534166800. The cubic root of 97799311 is about 460.7286985364.

The spelling of 97799311 in words is "ninety-seven million, seven hundred ninety-nine thousand, three hundred eleven".