2279787964 has 6 divisors (see below), whose sum is σ = 3989628944. Its totient is φ = 1139893980.

The previous prime is 2279787949. The next prime is 2279787977. The reversal of 2279787964 is 4697879722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284973492 + ... + 284973499.

Almost surely, 2^2279787964 is an apocalyptic number.

It is an amenable number.

2279787964 is a deficient number, since it is larger than the sum of its proper divisors (1709840980).

2279787964 is a wasteful number, since it uses less digits than its factorization.

2279787964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569946995 (or 569946993 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The square root of 2279787964 is about 47747.1251909474. The cubic root of 2279787964 is about 1316.1280713180.

The spelling of 2279787964 in words is "two billion, two hundred seventy-nine million, seven hundred eighty-seven thousand, nine hundred sixty-four".