773601081 has 8 divisors (see below), whose sum is σ = 1125237984. Its totient is φ = 468849120.

The previous prime is 773601077. The next prime is 773601121. The reversal of 773601081 is 180106377.

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

It is not a de Polignac number, because 773601081 - 2² = 773601077 is a prime.

It is a super-2 number, since 2×773601081² = 1196917265048737122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 23442457 = 773601081 / (7 + 7 + 3 + 6 + 0 + 1 + 0 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (773601041) 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, 11721196 + ... + 11721261.

It is an arithmetic number, because the mean of its divisors is an integer number (140654748).

Almost surely, 2^773601081 is an apocalyptic number.

It is an amenable number.

773601081 is a deficient number, since it is larger than the sum of its proper divisors (351636903).

773601081 is a wasteful number, since it uses less digits than its factorization.

773601081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442471.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 773601081 is about 27813.6851387945. The cubic root of 773601081 is about 917.9922666794.

The spelling of 773601081 in words is "seven hundred seventy-three million, six hundred one thousand, eighty-one".