77113253 has 4 divisors (see below), whose sum is σ = 88129440. Its totient is φ = 66097068.

The previous prime is 77113247. The next prime is 77113259. The reversal of 77113253 is 35231177.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35231177 = 41 ⋅859297.

It is an interprime number because it is at equal distance from previous prime (77113247) and next prime (77113259).

It is a cyclic number.

It is not a de Polignac number, because 77113253 - 2⁴ = 77113237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77113259) 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 3 ways as a sum of consecutive naturals, for example, 5508083 + ... + 5508096.

It is an arithmetic number, because the mean of its divisors is an integer number (22032360).

Almost surely, 2^77113253 is an apocalyptic number.

It is an amenable number.

77113253 is a deficient number, since it is larger than the sum of its proper divisors (11016187).

77113253 is a wasteful number, since it uses less digits than its factorization.

77113253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016186.

The product of its digits is 4410, while the sum is 29.

The square root of 77113253 is about 8781.4152048517. The cubic root of 77113253 is about 425.6405620843.

The spelling of 77113253 in words is "seventy-seven million, one hundred thirteen thousand, two hundred fifty-three".