2077078 has 4 divisors (see below), whose sum is σ = 3115620. Its totient is φ = 1038538.

The previous prime is 2077073. The next prime is 2077081. The reversal of 2077078 is 8707702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8707702 = 2 ⋅4353851.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519268 + ... + 519271.

It is an arithmetic number, because the mean of its divisors is an integer number (778905).

2^2077078 is an apocalyptic number.

2077078 is a deficient number, since it is larger than the sum of its proper divisors (1038542).

2077078 is a wasteful number, since it uses less digits than its factorization.

2077078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038541.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 2077078 is about 1441.2071329271. The cubic root of 2077078 is about 127.5902833572.

The spelling of 2077078 in words is "two million, seventy-seven thousand, seventy-eight".