807994392546 has 64 divisors (see below), whose sum is σ = 1806543720576. Its totient is φ = 238789017600.

The previous prime is 807994392529. The next prime is 807994392547. The reversal of 807994392546 is 645293499708.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (807994392547) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7678786 + ... + 7783298.

It is an arithmetic number, because the mean of its divisors is an integer number (28227245634).

Almost surely, 2^807994392546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807994392546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903271860288).

807994392546 is an abundant number, since it is smaller than the sum of its proper divisors (998549328030).

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

807994392546 is a wasteful number, since it uses less digits than its factorization.

807994392546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107427.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 807994392546 in words is "eight hundred seven billion, nine hundred ninety-four million, three hundred ninety-two thousand, five hundred forty-six".