80355278400 has 84 divisors (see below), whose sum is σ = 263632291632. Its totient is φ = 21428072960.

The previous prime is 80355278387. The next prime is 80355278429. The reversal of 80355278400 is 487255308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8365542 + ... + 8375141.

Almost surely, 2^80355278400 is an apocalyptic number.

80355278400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80355278400 is an abundant number, since it is smaller than the sum of its proper divisors (183277013232).

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

80355278400 is a wasteful number, since it uses less digits than its factorization.

80355278400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740708 (or 16740693 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 80355278400 in words is "eighty billion, three hundred fifty-five million, two hundred seventy-eight thousand, four hundred".