208680006375 has 40 divisors (see below), whose sum is σ = 389041381872. Its totient is φ = 111295998000.

The previous prime is 208680006343. The next prime is 208680006391. The reversal of 208680006375 is 573600086802.

208680006375 is a `hidden beast` number, since 2 + 0 + 8 + 6 + 8 + 0 + 0 + 0 + 637 + 5 = 666.

It is not a de Polignac number, because 208680006375 - 2⁵ = 208680006343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 208680006375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10295061 + ... + 10315310.

Almost surely, 2^208680006375 is an apocalyptic number.

208680006375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

208680006375 is a deficient number, since it is larger than the sum of its proper divisors (180361375497).

208680006375 is an equidigital number, since it uses as much as digits as its factorization.

208680006375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610398 (or 20610379 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 208680006375 in words is "two hundred eight billion, six hundred eighty million, six thousand, three hundred seventy-five".