867899059 has 2 divisors, whose sum is σ = 867899060. Its totient is φ = 867899058.

The previous prime is 867899051. The next prime is 867899069. The reversal of 867899059 is 950998768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867899059 - 2³ = 867899051 is a prime.

It is a super-2 number, since 2×867899059² = 1506497553226170962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 867898988 and 867899006.

It is not a weakly prime, because it can be changed into another prime (867899051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433949529 + 433949530.

It is an arithmetic number, because the mean of its divisors is an integer number (433949530).

Almost surely, 2^867899059 is an apocalyptic number.

867899059 is a deficient number, since it is larger than the sum of its proper divisors (1).

867899059 is an equidigital number, since it uses as much as digits as its factorization.

867899059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 61.

The square root of 867899059 is about 29460.1265951116. The cubic root of 867899059 is about 953.8712059882.

The spelling of 867899059 in words is "eight hundred sixty-seven million, eight hundred ninety-nine thousand, fifty-nine".