771700985 has 8 divisors (see below), whose sum is σ = 1010226816. Its totient is φ = 561237040.

The previous prime is 771700981. The next prime is 771700997. The reversal of 771700985 is 589007177.

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

It is not a de Polignac number, because 771700985 - 2² = 771700981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771700981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7015409 + ... + 7015518.

It is an arithmetic number, because the mean of its divisors is an integer number (126278352).

Almost surely, 2^771700985 is an apocalyptic number.

It is an amenable number.

771700985 is a deficient number, since it is larger than the sum of its proper divisors (238525831).

771700985 is a wasteful number, since it uses less digits than its factorization.

771700985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030943.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 771700985 is about 27779.5065650922. The cubic root of 771700985 is about 917.2400687201.

The spelling of 771700985 in words is "seven hundred seventy-one million, seven hundred thousand, nine hundred eighty-five".