99711377 has 2 divisors, whose sum is σ = 99711378. Its totient is φ = 99711376.

The previous prime is 99711329. The next prime is 99711389. The reversal of 99711377 is 77311799.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77281681 + 22429696 = 8791^2 + 4736^2 .

It is a cyclic number.

It is not a de Polignac number, because 99711377 - 2¹² = 99707281 is a prime.

It is a super-2 number, since 2×99711377² = 19884717406472258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99711397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49855688 + 49855689.

It is an arithmetic number, because the mean of its divisors is an integer number (49855689).

Almost surely, 2^99711377 is an apocalyptic number.

It is an amenable number.

99711377 is a deficient number, since it is larger than the sum of its proper divisors (1).

99711377 is an equidigital number, since it uses as much as digits as its factorization.

99711377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 83349, while the sum is 44.

The square root of 99711377 is about 9985.5584220413. The cubic root of 99711377 is about 463.7118966182.

The spelling of 99711377 in words is "ninety-nine million, seven hundred eleven thousand, three hundred seventy-seven".