85023481951 has 2 divisors, whose sum is σ = 85023481952. Its totient is φ = 85023481950.

The previous prime is 85023481943. The next prime is 85023481969. The reversal of 85023481951 is 15918432058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85023481951 - 2³ = 85023481943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85023181951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42511740975 + 42511740976.

It is an arithmetic number, because the mean of its divisors is an integer number (42511740976).

Almost surely, 2^85023481951 is an apocalyptic number.

85023481951 is a deficient number, since it is larger than the sum of its proper divisors (1).

85023481951 is an equidigital number, since it uses as much as digits as its factorization.

85023481951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 85023481951 in words is "eighty-five billion, twenty-three million, four hundred eighty-one thousand, nine hundred fifty-one".