775254397 has 8 divisors (see below), whose sum is σ = 818337600. Its totient is φ = 732399264.

The previous prime is 775254329. The next prime is 775254409. The reversal of 775254397 is 793452577.

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 775254397 - 2¹¹ = 775252349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 775254397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775254317) 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, 50008 + ... + 63649.

It is an arithmetic number, because the mean of its divisors is an integer number (102292200).

Almost surely, 2^775254397 is an apocalyptic number.

It is an amenable number.

775254397 is a deficient number, since it is larger than the sum of its proper divisors (43083203).

775254397 is a wasteful number, since it uses less digits than its factorization.

775254397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114035.

The product of its digits is 1852200, while the sum is 49.

The square root of 775254397 is about 27843.3905442566. The cubic root of 775254397 is about 918.6457694582.

The spelling of 775254397 in words is "seven hundred seventy-five million, two hundred fifty-four thousand, three hundred ninety-seven".