812080337835 has 16 divisors (see below), whose sum is σ = 1399276890144. Its totient is φ = 399793396992.

The previous prime is 812080337833. The next prime is 812080337837. The reversal of 812080337835 is 538733080218.

It is an interprime number because it is at equal distance from previous prime (812080337833) and next prime (812080337837).

It is not a de Polignac number, because 812080337835 - 2¹ = 812080337833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812080337833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082257082 + ... + 2082257471.

It is an arithmetic number, because the mean of its divisors is an integer number (87454805634).

Almost surely, 2^812080337835 is an apocalyptic number.

812080337835 is a deficient number, since it is larger than the sum of its proper divisors (587196552309).

812080337835 is a wasteful number, since it uses less digits than its factorization.

812080337835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164514574.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 812080337835 in words is "eight hundred twelve billion, eighty million, three hundred thirty-seven thousand, eight hundred thirty-five".