772770885 has 16 divisors (see below), whose sum is σ = 1236777984. Its totient is φ = 412029632.

The previous prime is 772770847. The next prime is 772770941. The reversal of 772770885 is 588077277.

It is a cyclic number.

It is not a de Polignac number, because 772770885 - 2⁹ = 772770373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102919 + ... + 110171.

It is an arithmetic number, because the mean of its divisors is an integer number (77298624).

Almost surely, 2^772770885 is an apocalyptic number.

It is an amenable number.

772770885 is a deficient number, since it is larger than the sum of its proper divisors (464007099).

772770885 is a wasteful number, since it uses less digits than its factorization.

772770885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364.

The product of its (nonzero) digits is 1536640, while the sum is 51.

The square root of 772770885 is about 27798.7568966672. The cubic root of 772770885 is about 917.6637656332.

The spelling of 772770885 in words is "seven hundred seventy-two million, seven hundred seventy thousand, eight hundred eighty-five".