775061613 has 24 divisors (see below), whose sum is σ = 1178960640. Its totient is φ = 489693600.

The previous prime is 775061593. The next prime is 775061621. The reversal of 775061613 is 316160577.

It is not a de Polignac number, because 775061613 - 2¹³ = 775053421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775061113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5388 + ... + 39738.

It is an arithmetic number, because the mean of its divisors is an integer number (49123360).

Almost surely, 2^775061613 is an apocalyptic number.

It is an amenable number.

775061613 is a deficient number, since it is larger than the sum of its proper divisors (403899027).

775061613 is a wasteful number, since it uses less digits than its factorization.

775061613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34489 (or 34486 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 775061613 is about 27839.9283943045. The cubic root of 775061613 is about 918.5696160094.

The spelling of 775061613 in words is "seven hundred seventy-five million, sixty-one thousand, six hundred thirteen".