2778005092 has 12 divisors (see below), whose sum is σ = 4862586736. Its totient is φ = 1388694600.

The previous prime is 2778005063. The next prime is 2778005129. The reversal of 2778005092 is 2905008772.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56058 + ... + 93265.

Almost surely, 2^2778005092 is an apocalyptic number.

It is an amenable number.

2778005092 is a deficient number, since it is larger than the sum of its proper divisors (2084581644).

2778005092 is a wasteful number, since it uses less digits than its factorization.

2778005092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153978 (or 153976 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 2778005092 is about 52706.7841174170. The cubic root of 2778005092 is about 1405.7594526384.

The spelling of 2778005092 in words is "two billion, seven hundred seventy-eight million, five thousand, ninety-two".