82351813403806 has 8 divisors (see below), whose sum is σ = 123527808527760. Its totient is φ = 41175877227888.

The previous prime is 82351813403803. The next prime is 82351813403833. The reversal of 82351813403806 is 60830431815328.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82351813403803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11061066 + ... + 16942573.

It is an arithmetic number, because the mean of its divisors is an integer number (15440976065970).

Almost surely, 2^{82351813403806} is an apocalyptic number.

82351813403806 is a deficient number, since it is larger than the sum of its proper divisors (41175995123954).

82351813403806 is a wasteful number, since it uses less digits than its factorization.

82351813403806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29474018.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 82351813403806 in words is "eighty-two trillion, three hundred fifty-one billion, eight hundred thirteen million, four hundred three thousand, eight hundred six".