867023642 has 8 divisors (see below), whose sum is σ = 1301149332. Its totient is φ = 433307200.

The previous prime is 867023639. The next prime is 867023653. The reversal of 867023642 is 246320768.

It can be written as a sum of positive squares in 2 ways, for example, as 856206121 + 10817521 = 29261^2 + 3289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 867023596 and 867023605.

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, 96959 + ... + 105522.

Almost surely, 2^867023642 is an apocalyptic number.

867023642 is a deficient number, since it is larger than the sum of its proper divisors (434125690).

867023642 is a wasteful number, since it uses less digits than its factorization.

867023642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204624.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 867023642 is about 29445.2651881419. The cubic root of 867023642 is about 953.5503868122.

The spelling of 867023642 in words is "eight hundred sixty-seven million, twenty-three thousand, six hundred forty-two".