102786470397 has 32 divisors (see below), whose sum is σ = 164009664000. Its totient is φ = 63245555136.

The previous prime is 102786470387. The next prime is 102786470399. The reversal of 102786470397 is 793074687201.

102786470397 is a `hidden beast` number, since 1 + 0 + 2 + 7 + 86 + 470 + 3 + 97 = 666.

It is not a de Polignac number, because 102786470397 - 2⁸ = 102786470141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102786470399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4587979 + ... + 4610327.

It is an arithmetic number, because the mean of its divisors is an integer number (5125302000).

Almost surely, 2^102786470397 is an apocalyptic number.

It is an amenable number.

102786470397 is a deficient number, since it is larger than the sum of its proper divisors (61223193603).

102786470397 is a wasteful number, since it uses less digits than its factorization.

102786470397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35474 (or 35468 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 102786470397 in words is "one hundred two billion, seven hundred eighty-six million, four hundred seventy thousand, three hundred ninety-seven".