9120345877 has 4 divisors (see below), whose sum is σ = 9158506560. Its totient is φ = 9082185196.

The previous prime is 9120345859. The next prime is 9120345889. The reversal of 9120345877 is 7785430219.

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 a de Polignac number, because none of the positive numbers 2^k-9120345877 is a prime.

It is a super-2 number, since 2×9120345877² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120345077) 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, 19079983 + ... + 19080460.

It is an arithmetic number, because the mean of its divisors is an integer number (2289626640).

Almost surely, 2^9120345877 is an apocalyptic number.

It is an amenable number.

9120345877 is a deficient number, since it is larger than the sum of its proper divisors (38160683).

9120345877 is a wasteful number, since it uses less digits than its factorization.

9120345877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38160682.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 9120345877 is about 95500.5019725027. The cubic root of 9120345877 is about 2089.3142654677.

The spelling of 9120345877 in words is "nine billion, one hundred twenty million, three hundred forty-five thousand, eight hundred seventy-seven".