775423137 has 8 divisors (see below), whose sum is σ = 1039311360. Its totient is φ = 514241840.

The previous prime is 775423087. The next prime is 775423169. The reversal of 775423137 is 731324577.

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

It is a cyclic number.

It is not a de Polignac number, because 775423137 - 2⁶ = 775423073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775423095 and 775423104.

It is not an unprimeable number, because it can be changed into a prime (775423237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676062 + ... + 677207.

It is an arithmetic number, because the mean of its divisors is an integer number (129913920).

Almost surely, 2^775423137 is an apocalyptic number.

It is an amenable number.

775423137 is a deficient number, since it is larger than the sum of its proper divisors (263888223).

775423137 is a wasteful number, since it uses less digits than its factorization.

775423137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353463.

The product of its digits is 123480, while the sum is 39.

The square root of 775423137 is about 27846.4205419655. The cubic root of 775423137 is about 918.7124146964.

The spelling of 775423137 in words is "seven hundred seventy-five million, four hundred twenty-three thousand, one hundred thirty-seven".