83453690880 has 1760 divisors, whose sum is σ = 385202822400. Its totient is φ = 16817061888.

The previous prime is 83453690857. The next prime is 83453690911. The reversal of 83453690880 is 8809635438.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 937681876 + ... + 937681964.

It is an arithmetic number, because the mean of its divisors is an integer number (218865240).

Almost surely, 2^83453690880 is an apocalyptic number.

83453690880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83453690880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192601411200).

83453690880 is an abundant number, since it is smaller than the sum of its proper divisors (301749131520).

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

83453690880 is a wasteful number, since it uses less digits than its factorization.

83453690880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 83453690880 in words is "eighty-three billion, four hundred fifty-three million, six hundred ninety thousand, eight hundred eighty".