2778450002 has 32 divisors (see below), whose sum is σ = 4406624640. Its totient is φ = 1311298560.

The previous prime is 2778449977. The next prime is 2778450013. The reversal of 2778450002 is 2000548772.

It is a super-2 number, since 2×2778450002² = 15439568827227600008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161824 + ... + 1164212.

It is an arithmetic number, because the mean of its divisors is an integer number (137707020).

Almost surely, 2^2778450002 is an apocalyptic number.

2778450002 is a deficient number, since it is larger than the sum of its proper divisors (1628174638).

2778450002 is a wasteful number, since it uses less digits than its factorization.

2778450002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 2778450002 is about 52711.0045626148. The cubic root of 2778450002 is about 1405.8344948637.

Adding to 2778450002 its reverse (2000548772), we get a palindrome (4778998774).

The spelling of 2778450002 in words is "two billion, seven hundred seventy-eight million, four hundred fifty thousand, two".