775242113 has 4 divisors (see below), whose sum is σ = 786161088. Its totient is φ = 764323140.

The previous prime is 775242101. The next prime is 775242119. The reversal of 775242113 is 311242577.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 775242113 - 2⁶ = 775242049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 775242113.

It is not an unprimeable number, because it can be changed into a prime (775242119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459381 + ... + 5459522.

It is an arithmetic number, because the mean of its divisors is an integer number (196540272).

Almost surely, 2^775242113 is an apocalyptic number.

It is an amenable number.

775242113 is a deficient number, since it is larger than the sum of its proper divisors (10918975).

775242113 is a wasteful number, since it uses less digits than its factorization.

775242113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918974.

The product of its digits is 11760, while the sum is 32.

The square root of 775242113 is about 27843.1699524318. The cubic root of 775242113 is about 918.6409174146.

The spelling of 775242113 in words is "seven hundred seventy-five million, two hundred forty-two thousand, one hundred thirteen".