812467497948 has 12 divisors (see below), whose sum is σ = 1895757495240. Its totient is φ = 270822499312.

The previous prime is 812467497889. The next prime is 812467497973. The reversal of 812467497948 is 849794764218.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33852812403 + ... + 33852812426.

It is an arithmetic number, because the mean of its divisors is an integer number (157979791270).

Almost surely, 2^812467497948 is an apocalyptic number.

It is an amenable number.

812467497948 is an abundant number, since it is smaller than the sum of its proper divisors (1083289997292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812467497948 is a wasteful number, since it uses less digits than its factorization.

812467497948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67705624836 (or 67705624834 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 69.

The spelling of 812467497948 in words is "eight hundred twelve billion, four hundred sixty-seven million, four hundred ninety-seven thousand, nine hundred forty-eight".