775690080 has 192 divisors, whose sum is σ = 2692424448. Its totient is φ = 186152960.

The previous prime is 775690073. The next prime is 775690109. The reversal of 775690080 is 80096577.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564274 + ... + 565646.

It is an arithmetic number, because the mean of its divisors is an integer number (14023044).

Almost surely, 2^775690080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 775690080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346212224).

775690080 is an abundant number, since it is smaller than the sum of its proper divisors (1916734368).

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

775690080 is a wasteful number, since it uses less digits than its factorization.

775690080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1501 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 775690080 is about 27851.2132590306. The cubic root of 775690080 is about 918.8178262666.

The spelling of 775690080 in words is "seven hundred seventy-five million, six hundred ninety thousand, eighty".