102692057828 has 18 divisors (see below), whose sum is σ = 190287239058. Its totient is φ = 48324430720.

The previous prime is 102692057801. The next prime is 102692057833. The reversal of 102692057828 is 828750296201.

It can be written as a sum of positive squares in 3 ways, for example, as 69763600384 + 32928457444 = 264128^2 + 181462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2623118 + ... + 2661978.

It is an arithmetic number, because the mean of its divisors is an integer number (10571513281).

Almost surely, 2^102692057828 is an apocalyptic number.

It is an amenable number.

102692057828 is a deficient number, since it is larger than the sum of its proper divisors (87595181230).

102692057828 is an frugal number, since it uses more digits than its factorization.

102692057828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77743 (or 38880 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 102692057828 in words is "one hundred two billion, six hundred ninety-two million, fifty-seven thousand, eight hundred twenty-eight".