2778763962 has 32 divisors (see below), whose sum is σ = 6015139200. Its totient is φ = 850703040.

The previous prime is 2778763961. The next prime is 2778763969. The reversal of 2778763962 is 2693678772.

It is not an unprimeable number, because it can be changed into a prime (2778763961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73989 + ... + 105032.

It is an arithmetic number, because the mean of its divisors is an integer number (187973100).

Almost surely, 2^2778763962 is an apocalyptic number.

2778763962 is an abundant number, since it is smaller than the sum of its proper divisors (3236375238).

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

2778763962 is a wasteful number, since it uses less digits than its factorization.

2778763962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179238.

The product of its digits is 10668672, while the sum is 57.

The square root of 2778763962 is about 52713.9826042389. The cubic root of 2778763962 is about 1405.8874451506.

The spelling of 2778763962 in words is "two billion, seven hundred seventy-eight million, seven hundred sixty-three thousand, nine hundred sixty-two".