840882051 has 6 divisors (see below), whose sum is σ = 1214607420. Its totient is φ = 560588028.

The previous prime is 840882043. The next prime is 840882073. The reversal of 840882051 is 150288048.

It is not a de Polignac number, because 840882051 - 2³ = 840882043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 840881997 and 840882015.

It is not an unprimeable number, because it can be changed into a prime (840882151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46715661 + ... + 46715678.

It is an arithmetic number, because the mean of its divisors is an integer number (202434570).

Almost surely, 2^840882051 is an apocalyptic number.

840882051 is a deficient number, since it is larger than the sum of its proper divisors (373725369).

840882051 is a wasteful number, since it uses less digits than its factorization.

840882051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93431345 (or 93431342 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 840882051 is about 28997.9663252443. The cubic root of 840882051 is about 943.8689382079.

The spelling of 840882051 in words is "eight hundred forty million, eight hundred eighty-two thousand, fifty-one".