2047777402 has 32 divisors (see below), whose sum is σ = 3561592320. Its totient is φ = 873238320.

The previous prime is 2047777397. The next prime is 2047777409.

It is a happy number.

2047777402 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2047777409) 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 15 ways as a sum of consecutive naturals, for example, 19273 + ... + 66835.

It is an arithmetic number, because the mean of its divisors is an integer number (111299760).

Almost surely, 2^2047777402 is an apocalyptic number.

2047777402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2047777402 is a deficient number, since it is larger than the sum of its proper divisors (1513814918).

2047777402 is a wasteful number, since it uses less digits than its factorization.

2047777402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47698.

The product of its (nonzero) digits is 153664, while the sum is 40.

The square root of 2047777402 is about 45252.3745454313. The cubic root of 2047777402 is about 1269.8748304936.

It can be divided in two parts, 20477 and 77402, that added together give a palindrome (97879).

The spelling of 2047777402 in words is "two billion, forty-seven million, seven hundred seventy-seven thousand, four hundred two".