851453967 has 32 divisors (see below), whose sum is σ = 1442344960. Its totient is φ = 434626560.

The previous prime is 851453947. The next prime is 851454017. The reversal of 851453967 is 769354158.

It is not a de Polignac number, because 851453967 - 2¹² = 851449871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851453947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41842 + ... + 58767.

It is an arithmetic number, because the mean of its divisors is an integer number (45073280).

Almost surely, 2^851453967 is an apocalyptic number.

851453967 is a deficient number, since it is larger than the sum of its proper divisors (590890993).

851453967 is a wasteful number, since it uses less digits than its factorization.

851453967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100663.

The product of its digits is 907200, while the sum is 48.

The square root of 851453967 is about 29179.6841483934. The cubic root of 851453967 is about 947.8080458883.

It can be divided in two parts, 8514 and 53967, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 851453967 in words is "eight hundred fifty-one million, four hundred fifty-three thousand, nine hundred sixty-seven".