680894950 has 24 divisors (see below), whose sum is σ = 1267186752. Its totient is φ = 272202720.

The previous prime is 680894941. The next prime is 680894959. The reversal of 680894950 is 59498086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680894941) and next prime (680894959).

It is a hoax number, since the sum of its digits (49) 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 = 680894894 and 680894903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680894959) 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, 131307 + ... + 136393.

It is an arithmetic number, because the mean of its divisors is an integer number (52799448).

Almost surely, 2^680894950 is an apocalyptic number.

680894950 is a deficient number, since it is larger than the sum of its proper divisors (586291802).

680894950 is a wasteful number, since it uses less digits than its factorization.

680894950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 680894950 is about 26093.9638613991. The cubic root of 680894950 is about 879.7515440113.

The spelling of 680894950 in words is "six hundred eighty million, eight hundred ninety-four thousand, nine hundred fifty".