2279977307 has 4 divisors (see below), whose sum is σ = 2300894640. Its totient is φ = 2259059976.

The previous prime is 2279977201. The next prime is 2279977309. The reversal of 2279977307 is 7037799722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2279977307 - 2²⁰ = 2278928731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2279977309) 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, 10458503 + ... + 10458720.

It is an arithmetic number, because the mean of its divisors is an integer number (575223660).

Almost surely, 2^2279977307 is an apocalyptic number.

2279977307 is a deficient number, since it is larger than the sum of its proper divisors (20917333).

2279977307 is a wasteful number, since it uses less digits than its factorization.

2279977307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917332.

The product of its (nonzero) digits is 2333772, while the sum is 53.

The square root of 2279977307 is about 47749.1079183685. The cubic root of 2279977307 is about 1316.1645063934.

The spelling of 2279977307 in words is "two billion, two hundred seventy-nine million, nine hundred seventy-seven thousand, three hundred seven".