102812807783 has 6 divisors (see below), whose sum is σ = 119598572376. Its totient is φ = 88125263772.

The previous prime is 102812807759. The next prime is 102812807827. The reversal of 102812807783 is 387708218201.

It is not a de Polignac number, because 102812807783 - 2⁶ = 102812807719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102812807483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049110235 + ... + 1049110332.

It is an arithmetic number, because the mean of its divisors is an integer number (19933095396).

Almost surely, 2^102812807783 is an apocalyptic number.

102812807783 is a deficient number, since it is larger than the sum of its proper divisors (16785764593).

102812807783 is an equidigital number, since it uses as much as digits as its factorization.

102812807783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098220581 (or 2098220574 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 102812807783 in words is "one hundred two billion, eight hundred twelve million, eight hundred seven thousand, seven hundred eighty-three".