686070108 has 48 divisors (see below), whose sum is σ = 1785064960. Its totient is φ = 227871792.

The previous prime is 686070067. The next prime is 686070109. The reversal of 686070108 is 801070686.

It is a super-2 number, since 2×686070108² = 941384386182263328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686070109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19341 + ... + 41787.

Almost surely, 2^686070108 is an apocalyptic number.

It is an amenable number.

686070108 is an abundant number, since it is smaller than the sum of its proper divisors (1098994852).

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

686070108 is a wasteful number, since it uses less digits than its factorization.

686070108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22743 (or 22735 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 686070108 is about 26192.9400411638. The cubic root of 686070108 is about 881.9747783060.

The spelling of 686070108 in words is "six hundred eighty-six million, seventy thousand, one hundred eight".