2778327 has 16 divisors (see below), whose sum is σ = 4358880. Its totient is φ = 1742976.

The previous prime is 2778323. The next prime is 2778329. The reversal of 2778327 is 7238772.

It is not a de Polignac number, because 2778327 - 2² = 2778323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2778291 and 2778300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778323) 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, 2568 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (272430).

2^2778327 is an apocalyptic number.

2778327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2778327 is a deficient number, since it is larger than the sum of its proper divisors (1580553).

2778327 is a wasteful number, since it uses less digits than its factorization.

2778327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079 (or 6073 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 2778327 is about 1666.8314251897. The cubic root of 2778327 is about 140.5813749123.

The spelling of 2778327 in words is "two million, seven hundred seventy-eight thousand, three hundred twenty-seven".