840677877775 has 6 divisors (see below), whose sum is σ = 1042440568472. Its totient is φ = 672542302200.

The previous prime is 840677877769. The next prime is 840677877797. The reversal of 840677877775 is 577778776048.

840677877775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 840677877775 - 2⁷ = 840677877647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 840677877698 and 840677877707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16813557531 + ... + 16813557580.

Almost surely, 2^840677877775 is an apocalyptic number.

840677877775 is a deficient number, since it is larger than the sum of its proper divisors (201762690697).

840677877775 is a wasteful number, since it uses less digits than its factorization.

840677877775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33627115121 (or 33627115116 counting only the distinct ones).

The product of its (nonzero) digits is 903544320, while the sum is 73.

The spelling of 840677877775 in words is "eight hundred forty billion, six hundred seventy-seven million, eight hundred seventy-seven thousand, seven hundred seventy-five".