82203798400 has 48 divisors (see below), whose sum is σ = 203069078640. Its totient is φ = 32881518080.

The previous prime is 82203798377. The next prime is 82203798409. The reversal of 82203798400 is 489730228.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82203798409) 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 5 ways as a sum of consecutive naturals, for example, 12841144 + ... + 12847543.

It is an arithmetic number, because the mean of its divisors is an integer number (4230605805).

Almost surely, 2^82203798400 is an apocalyptic number.

82203798400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82203798400 is an abundant number, since it is smaller than the sum of its proper divisors (120865280240).

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

82203798400 is a wasteful number, since it uses less digits than its factorization.

82203798400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25688711 (or 25688694 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 82203798400 in words is "eighty-two billion, two hundred three million, seven hundred ninety-eight thousand, four hundred".