82673740800 has 792 divisors, whose sum is σ = 353313346320. Its totient is φ = 18889113600.

The previous prime is 82673740783. The next prime is 82673740817. The reversal of 82673740800 is 804737628.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82673740783) and next prime (82673740817).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 33867580 + ... + 33870020.

It is an arithmetic number, because the mean of its divisors is an integer number (446102710).

Almost surely, 2^82673740800 is an apocalyptic number.

82673740800 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 82673740800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176656673160).

82673740800 is an abundant number, since it is smaller than the sum of its proper divisors (270639605520).

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

82673740800 is a wasteful number, since it uses less digits than its factorization.

82673740800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 82673740800 in words is "eighty-two billion, six hundred seventy-three million, seven hundred forty thousand, eight hundred".