9120077811 has 24 divisors (see below), whose sum is σ = 14192514336. Its totient is φ = 5610090240.

The previous prime is 9120077801. The next prime is 9120077821. The reversal of 9120077811 is 1187700219.

It is an interprime number because it is at equal distance from previous prime (9120077801) and next prime (9120077821).

It is not a de Polignac number, because 9120077811 - 2⁹ = 9120077299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9120077801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302811 + ... + 331563.

It is an arithmetic number, because the mean of its divisors is an integer number (591354764).

Almost surely, 2^9120077811 is an apocalyptic number.

9120077811 is a deficient number, since it is larger than the sum of its proper divisors (5072436525).

9120077811 is a wasteful number, since it uses less digits than its factorization.

9120077811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31483 (or 31480 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 9120077811 is about 95499.0984826558. The cubic root of 9120077811 is about 2089.2937954982.

The spelling of 9120077811 in words is "nine billion, one hundred twenty million, seventy-seven thousand, eight hundred eleven".