775135480 has 32 divisors (see below), whose sum is σ = 1993206240. Its totient is φ = 265760640.

The previous prime is 775135391. The next prime is 775135481. The reversal of 775135480 is 84531577.

775135480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775135481) 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, 1383891 + ... + 1384450.

It is an arithmetic number, because the mean of its divisors is an integer number (62287695).

Almost surely, 2^775135480 is an apocalyptic number.

775135480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

775135480 is an abundant number, since it is smaller than the sum of its proper divisors (1218070760).

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

775135480 is a wasteful number, since it uses less digits than its factorization.

775135480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768359 (or 2768355 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 775135480 is about 27841.2550004485. The cubic root of 775135480 is about 918.5987964106.

The spelling of 775135480 in words is "seven hundred seventy-five million, one hundred thirty-five thousand, four hundred eighty".