2279977308 has 120 divisors (see below), whose sum is σ = 6825898464. Its totient is φ = 650073600.

The previous prime is 2279977201. The next prime is 2279977309. The reversal of 2279977308 is 8037799722.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279977309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1725288 + ... + 1726608.

Almost surely, 2^2279977308 is an apocalyptic number.

2279977308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2279977308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3412949232).

2279977308 is an abundant number, since it is smaller than the sum of its proper divisors (4545921156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2279977308 is a wasteful number, since it uses less digits than its factorization.

2279977308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 2279977308 is about 47749.1079288399. The cubic root of 2279977308 is about 1316.1645065858.

The spelling of 2279977308 in words is "two billion, two hundred seventy-nine million, nine hundred seventy-seven thousand, three hundred eight".