7780005775253 has 4 divisors (see below), whose sum is σ = 7839395132448. Its totient is φ = 7720616418060.

The previous prime is 7780005775247. The next prime is 7780005775307. The reversal of 7780005775253 is 3525775000877.

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 a de Polignac number, because none of the positive numbers 2^k-7780005775253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7780005775153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29694678401 + ... + 29694678662.

It is an arithmetic number, because the mean of its divisors is an integer number (1959848783112).

Almost surely, 2^{7780005775253} is an apocalyptic number.

It is an amenable number.

7780005775253 is a deficient number, since it is larger than the sum of its proper divisors (59389357195).

7780005775253 is a wasteful number, since it uses less digits than its factorization.

7780005775253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59389357194.

The product of its (nonzero) digits is 14406000, while the sum is 56.

The spelling of 7780005775253 in words is "seven trillion, seven hundred eighty billion, five million, seven hundred seventy-five thousand, two hundred fifty-three".