82786838442630 has 64 divisors (see below), whose sum is σ = 227797942491648. Its totient is φ = 18862249985280.

The previous prime is 82786838442613. The next prime is 82786838442641. The reversal of 82786838442630 is 3624483868728.

It is a super-2 number, since 2×82786838442630² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629683536 + ... + 629814995.

It is an arithmetic number, because the mean of its divisors is an integer number (3559342851432).

Almost surely, 2^{82786838442630} is an apocalyptic number.

82786838442630 is an abundant number, since it is smaller than the sum of its proper divisors (145011104049018).

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

82786838442630 is a wasteful number, since it uses less digits than its factorization.

82786838442630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259498861.

The product of its (nonzero) digits is 594542592, while the sum is 69.

The spelling of 82786838442630 in words is "eighty-two trillion, seven hundred eighty-six billion, eight hundred thirty-eight million, four hundred forty-two thousand, six hundred thirty".