853725667 has 2 divisors, whose sum is σ = 853725668. Its totient is φ = 853725666.

The previous prime is 853725641. The next prime is 853725671. The reversal of 853725667 is 766527358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853725667 - 2¹⁵ = 853692899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 853725667.

It is not a weakly prime, because it can be changed into another prime (853725617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426862833 + 426862834.

It is an arithmetic number, because the mean of its divisors is an integer number (426862834).

Almost surely, 2^853725667 is an apocalyptic number.

853725667 is a deficient number, since it is larger than the sum of its proper divisors (1).

853725667 is an equidigital number, since it uses as much as digits as its factorization.

853725667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 49.

The square root of 853725667 is about 29218.5842743963. The cubic root of 853725667 is about 948.6502223620.

The spelling of 853725667 in words is "eight hundred fifty-three million, seven hundred twenty-five thousand, six hundred sixty-seven".