877040345 has 4 divisors (see below), whose sum is σ = 1052448420. Its totient is φ = 701632272.

The previous prime is 877040327. The next prime is 877040401. The reversal of 877040345 is 543040778.

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 477160336 + 399880009 = 21844^2 + 19997^2 .

It is a cyclic number.

It is not a de Polignac number, because 877040345 - 2⁸ = 877040089 is a prime.

It is a super-3 number, since 3×877040345³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 877040299 and 877040308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87704030 + ... + 87704039.

It is an arithmetic number, because the mean of its divisors is an integer number (263112105).

Almost surely, 2^877040345 is an apocalyptic number.

It is an amenable number.

877040345 is a deficient number, since it is larger than the sum of its proper divisors (175408075).

877040345 is a wasteful number, since it uses less digits than its factorization.

877040345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175408074.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 877040345 is about 29614.8669590123. The cubic root of 877040345 is about 957.2084503892.

The spelling of 877040345 in words is "eight hundred seventy-seven million, forty thousand, three hundred forty-five".