80637453408 has 48 divisors (see below), whose sum is σ = 211928860080. Its totient is φ = 26846701056.

The previous prime is 80637453401. The next prime is 80637453419. The reversal of 80637453408 is 80435473608.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80637453401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427035 + ... + 586202.

It is an arithmetic number, because the mean of its divisors is an integer number (4415184585).

Almost surely, 2^80637453408 is an apocalyptic number.

It is an amenable number.

80637453408 is an abundant number, since it is smaller than the sum of its proper divisors (131291406672).

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

80637453408 is a wasteful number, since it uses less digits than its factorization.

80637453408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014079 (or 1014071 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 80637453408 in words is "eighty billion, six hundred thirty-seven million, four hundred fifty-three thousand, four hundred eight".