770028215 has 16 divisors (see below), whose sum is σ = 1009323936. Its totient is φ = 559305600.

The previous prime is 770028197. The next prime is 770028229. The reversal of 770028215 is 512820077.

It is not a de Polignac number, because 770028215 - 2⁸ = 770027959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36629 + ... + 53681.

It is an arithmetic number, because the mean of its divisors is an integer number (63082746).

Almost surely, 2^770028215 is an apocalyptic number.

770028215 is a deficient number, since it is larger than the sum of its proper divisors (239295721).

770028215 is a wasteful number, since it uses less digits than its factorization.

770028215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17890.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 770028215 is about 27749.3822453762. The cubic root of 770028215 is about 916.5768404910.

The spelling of 770028215 in words is "seven hundred seventy million, twenty-eight thousand, two hundred fifteen".