787000680 has 48 divisors (see below), whose sum is σ = 2557753380. Its totient is φ = 209866752.

The previous prime is 787000679. The next prime is 787000681. The reversal of 787000680 is 86000787.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (787000679) and next prime (787000681).

It can be written as a sum of positive squares in 2 ways, for example, as 744307524 + 42693156 = 27282^2 + 6534^2 .

It is a super-3 number, since 3×787000680³ (a number of 28 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (787000681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1092697 + ... + 1093416.

Almost surely, 2^787000680 is an apocalyptic number.

It is an amenable number.

787000680 is an abundant number, since it is smaller than the sum of its proper divisors (1770752700).

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

787000680 is a wasteful number, since it uses less digits than its factorization.

787000680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186130 (or 2186123 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 787000680 is about 28053.5323978996. The cubic root of 787000680 is about 923.2621590437.

The spelling of 787000680 in words is "seven hundred eighty-seven million, six hundred eighty", and thus it is an aban number.