102830775447 has 8 divisors (see below), whose sum is σ = 137110934656. Its totient is φ = 68552233272.

The previous prime is 102830775409. The next prime is 102830775479. The reversal of 102830775447 is 744577038201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102830775447 - 2¹¹ = 102830773399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102830775396 and 102830775405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102830775247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247153 + ... + 516474.

It is an arithmetic number, because the mean of its divisors is an integer number (17138866832).

Almost surely, 2^102830775447 is an apocalyptic number.

102830775447 is a deficient number, since it is larger than the sum of its proper divisors (34280159209).

102830775447 is an equidigital number, since it uses as much as digits as its factorization.

102830775447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808517.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 102830775447 in words is "one hundred two billion, eight hundred thirty million, seven hundred seventy-five thousand, four hundred forty-seven".