8077906 has 4 divisors (see below), whose sum is σ = 12116862. Its totient is φ = 4038952.

The previous prime is 8077903. The next prime is 8077913. The reversal of 8077906 is 6097708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 3705625 = 2091^2 + 1925^2 .

It is not an unprimeable number, because it can be changed into a prime (8077903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019475 + ... + 2019478.

Almost surely, 2^8077906 is an apocalyptic number.

8077906 is a deficient number, since it is larger than the sum of its proper divisors (4038956).

8077906 is a wasteful number, since it uses less digits than its factorization.

8077906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038955.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 8077906 is about 2842.1657235285. The cubic root of 8077906 is about 200.6471205832.

The spelling of 8077906 in words is "eight million, seventy-seven thousand, nine hundred six".