80867434384 has 135 divisors (see below), whose sum is σ = 180675545617. Its totient is φ = 35034630400.

The previous prime is 80867434381. The next prime is 80867434519. The reversal of 80867434384 is 48343476808.

The square root of 80867434384 is 284372.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54649347984 + 26218086400 = 233772^2 + 161920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80867434381) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 287784324 + ... + 287784604.

Almost surely, 2^80867434384 is an apocalyptic number.

80867434384 is the 284372-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80867434384

80867434384 is an abundant number, since it is smaller than the sum of its proper divisors (99808111233).

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

80867434384 is a wasteful number, since it uses less digits than its factorization.

80867434384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 80867434384 in words is "eighty billion, eight hundred sixty-seven million, four hundred thirty-four thousand, three hundred eighty-four".