687015336 has 128 divisors (see below), whose sum is σ = 2119219200. Its totient is φ = 181251840.

The previous prime is 687015323. The next prime is 687015341. The reversal of 687015336 is 633510786.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 687015294 and 687015303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108991 + ... + 115121.

It is an arithmetic number, because the mean of its divisors is an integer number (16556400).

Almost surely, 2^687015336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 687015336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059609600).

687015336 is an abundant number, since it is smaller than the sum of its proper divisors (1432203864).

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

687015336 is a wasteful number, since it uses less digits than its factorization.

687015336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199 (or 6195 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 687015336 is about 26210.9773949771. The cubic root of 687015336 is about 882.3796371677.

The spelling of 687015336 in words is "six hundred eighty-seven million, fifteen thousand, three hundred thirty-six".