80567821461621 has 8 divisors (see below), whose sum is σ = 115687128252640. Its totient is φ = 49580197822512.

The previous prime is 80567821461599. The next prime is 80567821461637. The reversal of 80567821461621 is 12616412876508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80567821461621 - 2⁷ = 80567821461493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80567821461121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032920787931 + ... + 1032920788008.

It is an arithmetic number, because the mean of its divisors is an integer number (14460891031580).

Almost surely, 2^{80567821461621} is an apocalyptic number.

It is an amenable number.

80567821461621 is a deficient number, since it is larger than the sum of its proper divisors (35119306791019).

80567821461621 is a wasteful number, since it uses less digits than its factorization.

80567821461621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065841575955.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 80567821461621 in words is "eighty trillion, five hundred sixty-seven billion, eight hundred twenty-one million, four hundred sixty-one thousand, six hundred twenty-one".