9769397087 has 2 divisors, whose sum is σ = 9769397088. Its totient is φ = 9769397086.

The previous prime is 9769397047. The next prime is 9769397101. The reversal of 9769397087 is 7807939679.

It is a strong prime.

It is an emirp because it is prime and its reverse (7807939679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9769397087 - 2²⁶ = 9702288223 is a prime.

It is a super-2 number, since 2×9769397087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9769397047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884698543 + 4884698544.

It is an arithmetic number, because the mean of its divisors is an integer number (4884698544).

Almost surely, 2^9769397087 is an apocalyptic number.

9769397087 is a deficient number, since it is larger than the sum of its proper divisors (1).

9769397087 is an equidigital number, since it uses as much as digits as its factorization.

9769397087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The square root of 9769397087 is about 98840.2604559498. The cubic root of 9769397087 is about 2137.7451055157.

The spelling of 9769397087 in words is "nine billion, seven hundred sixty-nine million, three hundred ninety-seven thousand, eighty-seven".