2088774145457 has 4 divisors (see below), whose sum is σ = 2088949199220. Its totient is φ = 2088599091696.

The previous prime is 2088774145421. The next prime is 2088774145489. The reversal of 2088774145457 is 7545414778802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1818333583936 + 270440561521 = 1348456^2 + 520039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2088774145457 - 2¹² = 2088774141361 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 2088774145457.

It is not an unprimeable number, because it can be changed into a prime (2088774145357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87508982 + ... + 87532847.

It is an arithmetic number, because the mean of its divisors is an integer number (522237299805).

Almost surely, 2^{2088774145457} is an apocalyptic number.

It is an amenable number.

2088774145457 is a deficient number, since it is larger than the sum of its proper divisors (175053763).

2088774145457 is a wasteful number, since it uses less digits than its factorization.

2088774145457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175053762.

The product of its (nonzero) digits is 70246400, while the sum is 62.

The spelling of 2088774145457 in words is "two trillion, eighty-eight billion, seven hundred seventy-four million, one hundred forty-five thousand, four hundred fifty-seven".