9297420077 has 4 divisors (see below), whose sum is σ = 10142640096. Its totient is φ = 8452200060.

The previous prime is 9297420061. The next prime is 9297420079. The reversal of 9297420077 is 7700247929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9297420077 - 2⁴ = 9297420061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9297420079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422609993 + ... + 422610014.

It is an arithmetic number, because the mean of its divisors is an integer number (2535660024).

Almost surely, 2^9297420077 is an apocalyptic number.

It is an amenable number.

9297420077 is a deficient number, since it is larger than the sum of its proper divisors (845220019).

9297420077 is a wasteful number, since it uses less digits than its factorization.

9297420077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845220018.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 9297420077 is about 96423.1304044833. The cubic root of 9297420077 is about 2102.7492395176.

The spelling of 9297420077 in words is "nine billion, two hundred ninety-seven million, four hundred twenty thousand, seventy-seven".