82438762404 has 12 divisors (see below), whose sum is σ = 192357112304. Its totient is φ = 27479587464.

The previous prime is 82438762397. The next prime is 82438762409. The reversal of 82438762404 is 40426783428.

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

It is a super-2 number, since 2×82438762404² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82438762409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434948422 + ... + 3434948445.

Almost surely, 2^82438762404 is an apocalyptic number.

It is an amenable number.

82438762404 is an abundant number, since it is smaller than the sum of its proper divisors (109918349900).

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

82438762404 is a wasteful number, since it uses less digits than its factorization.

82438762404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869896874 (or 6869896872 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 82438762404 in words is "eighty-two billion, four hundred thirty-eight million, seven hundred sixty-two thousand, four hundred four".