687411430 has 16 divisors (see below), whose sum is σ = 1237850064. Its totient is φ = 274851360.

The previous prime is 687411427. The next prime is 687411433. The reversal of 687411430 is 34114786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (687411427) and next prime (687411433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687411433) 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, 14020 + ... + 39640.

It is an arithmetic number, because the mean of its divisors is an integer number (77365629).

Almost surely, 2^687411430 is an apocalyptic number.

687411430 is a deficient number, since it is larger than the sum of its proper divisors (550438634).

687411430 is a wasteful number, since it uses less digits than its factorization.

687411430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 687411430 is about 26218.5321862228. The cubic root of 687411430 is about 882.5491812399.

The spelling of 687411430 in words is "six hundred eighty-seven million, four hundred eleven thousand, four hundred thirty".