804671237664 has 96 divisors (see below), whose sum is σ = 2682237479040. Its totient is φ = 229906066176.

The previous prime is 804671237603. The next prime is 804671237717. The reversal of 804671237664 is 466732176408.

804671237664 is a `hidden beast` number, since 80 + 467 + 12 + 37 + 6 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 804671237664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66517699 + ... + 66529794.

It is an arithmetic number, because the mean of its divisors is an integer number (27939973740).

Almost surely, 2^804671237664 is an apocalyptic number.

804671237664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

804671237664 is an abundant number, since it is smaller than the sum of its proper divisors (1877566241376).

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

804671237664 is a wasteful number, since it uses less digits than its factorization.

804671237664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133047519 (or 133047505 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

It can be divided in two parts, 80467 and 1237664, that added together give a palindrome (1318131).

The spelling of 804671237664 in words is "eight hundred four billion, six hundred seventy-one million, two hundred thirty-seven thousand, six hundred sixty-four".