102398653885284 has 63 divisors (see below), whose sum is σ = 268674993722793. Its totient is φ = 34132702482432.

The previous prime is 102398653885243. The next prime is 102398653885331. The reversal of 102398653885284 is 482588356893201.

The square root of 102398653885284 is 10119222.

It is a perfect power (a square), and thus also a powerful number.

102398653885284 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 9 + 8 + 6 + 538 + 8 + 5 + 2 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84734050112100 + 17664603773184 = 9205110^2 + 4202928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 546344292 + ... + 546531684.

Almost surely, 2^{102398653885284} is an apocalyptic number.

102398653885284 is the 10119222-nd square number.

It is an amenable number.

102398653885284 is an abundant number, since it is smaller than the sum of its proper divisors (166276339837509).

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

102398653885284 is an frugal number, since it uses more digits than its factorization.

102398653885284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374808 (or 187398 counting only the distinct ones).

The product of its (nonzero) digits is 796262400, while the sum is 72.

The spelling of 102398653885284 in words is "one hundred two trillion, three hundred ninety-eight billion, six hundred fifty-three million, eight hundred eighty-five thousand, two hundred eighty-four".