766073985 has 16 divisors (see below), whose sum is σ = 1229718336. Its totient is φ = 407239488.

The previous prime is 766073969. The next prime is 766073999. The reversal of 766073985 is 589370667.

It is not a de Polignac number, because 766073985 - 2⁴ = 766073969 is a prime.

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, 78574 + ... + 87783.

It is an arithmetic number, because the mean of its divisors is an integer number (76857396).

Almost surely, 2^766073985 is an apocalyptic number.

It is an amenable number.

766073985 is a deficient number, since it is larger than the sum of its proper divisors (463644351).

766073985 is a wasteful number, since it uses less digits than its factorization.

766073985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166672.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 766073985 is about 27678.0415672786. The cubic root of 766073985 is about 915.0052195946.

The spelling of 766073985 in words is "seven hundred sixty-six million, seventy-three thousand, nine hundred eighty-five".