83407481280 has 84 divisors (see below), whose sum is σ = 286886992392. Its totient is φ = 22241994240.

The previous prime is 83407481263. The next prime is 83407481321. The reversal of 83407481280 is 8218470438.

83407481280 is a `hidden beast` number, since 83 + 407 + 48 + 128 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 14477586 + ... + 14483345.

It is an arithmetic number, because the mean of its divisors is an integer number (3415321338).

Almost surely, 2^83407481280 is an apocalyptic number.

83407481280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83407481280 is an abundant number, since it is smaller than the sum of its proper divisors (203479511112).

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

83407481280 is a wasteful number, since it uses less digits than its factorization.

83407481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28960954 (or 28960941 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 83407481280 in words is "eighty-three billion, four hundred seven million, four hundred eighty-one thousand, two hundred eighty".