867874545 has 12 divisors (see below), whose sum is σ = 1504315956. Its totient is φ = 462866400.

The previous prime is 867874541. The next prime is 867874559. The reversal of 867874545 is 545478768.

It can be written as a sum of positive squares in 2 ways, for example, as 491242896 + 376631649 = 22164^2 + 19407^2 .

It is not a de Polignac number, because 867874545 - 2² = 867874541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 867874491 and 867874500.

It is not an unprimeable number, because it can be changed into a prime (867874541) 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 11 ways as a sum of consecutive naturals, for example, 9643006 + ... + 9643095.

It is an arithmetic number, because the mean of its divisors is an integer number (125359663).

Almost surely, 2^867874545 is an apocalyptic number.

It is an amenable number.

867874545 is a deficient number, since it is larger than the sum of its proper divisors (636441411).

867874545 is a wasteful number, since it uses less digits than its factorization.

867874545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286112 (or 19286109 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 867874545 is about 29459.7105382928. The cubic root of 867874545 is about 953.8622251363.

The spelling of 867874545 in words is "eight hundred sixty-seven million, eight hundred seventy-four thousand, five hundred forty-five".