687601142 has 16 divisors (see below), whose sum is σ = 1127302272. Its totient is φ = 313138560.

The previous prime is 687601141. The next prime is 687601151. The reversal of 687601142 is 241106786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687601141) 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, 325133 + ... + 327240.

It is an arithmetic number, because the mean of its divisors is an integer number (70456392).

Almost surely, 2^687601142 is an apocalyptic number.

687601142 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

687601142 is a deficient number, since it is larger than the sum of its proper divisors (439701130).

687601142 is a wasteful number, since it uses less digits than its factorization.

687601142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652423.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 687601142 is about 26222.1498355875. The cubic root of 687601142 is about 882.6303624961.

The spelling of 687601142 in words is "six hundred eighty-seven million, six hundred one thousand, one hundred forty-two".