80438333062564 has 9 divisors (see below), whose sum is σ = 140767114250091. Its totient is φ = 40219157562540.

The previous prime is 80438333062559. The next prime is 80438333062589. The reversal of 80438333062564 is 46526033383408.

The square root of 80438333062564 is 8968742.

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

It is a super-4 number, since 4×80438333062564⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15695299 + ... + 20179669.

Almost surely, 2^{80438333062564} is an apocalyptic number.

80438333062564 is the 8968742-nd square number.

It is an amenable number.

80438333062564 is a deficient number, since it is larger than the sum of its proper divisors (60328781187527).

80438333062564 is an frugal number, since it uses more digits than its factorization.

80438333062564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8968746 (or 4484373 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 55.

The spelling of 80438333062564 in words is "eighty trillion, four hundred thirty-eight billion, three hundred thirty-three million, sixty-two thousand, five hundred sixty-four".