773785090 has 96 divisors (see below), whose sum is σ = 1667765376. Its totient is φ = 256988160.

The previous prime is 773785081. The next prime is 773785091. The reversal of 773785090 is 90587377.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 773785090.

It is not an unprimeable number, because it can be changed into a prime (773785091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660205 + ... + 661375.

It is an arithmetic number, because the mean of its divisors is an integer number (17372556).

Almost surely, 2^773785090 is an apocalyptic number.

773785090 is an abundant number, since it is smaller than the sum of its proper divisors (893980286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

773785090 is a wasteful number, since it uses less digits than its factorization.

773785090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 773785090 is about 27816.9928281258. The cubic root of 773785090 is about 918.0650455538.

The spelling of 773785090 in words is "seven hundred seventy-three million, seven hundred eighty-five thousand, ninety".