10077778 has 8 divisors (see below), whose sum is σ = 15225840. Its totient is φ = 5002500.

The previous prime is 10077773. The next prime is 10077779. The reversal of 10077778 is 87777001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10077773) 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 in 3 ways as a sum of consecutive naturals, for example, 17848 + ... + 18403.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^10077778 is an apocalyptic number.

10077778 is a deficient number, since it is larger than the sum of its proper divisors (5148062).

10077778 is a wasteful number, since it uses less digits than its factorization.

10077778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36392.

The product of its (nonzero) digits is 19208, while the sum is 37.

The square root of 10077778 is about 3174.5516218830. The cubic root of 10077778 is about 216.0005858466. Note that the first 3 decimals are identical.

The spelling of 10077778 in words is "ten million, seventy-seven thousand, seven hundred seventy-eight".