698764770 has 96 divisors (see below), whose sum is σ = 2098586880. Its totient is φ = 159429120.

The previous prime is 698764757. The next prime is 698764777. The reversal of 698764770 is 77467896.

698764770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (698764777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3930 + ... + 37589.

It is an arithmetic number, because the mean of its divisors is an integer number (21860280).

Almost surely, 2^698764770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698764770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049293440).

698764770 is an abundant number, since it is smaller than the sum of its proper divisors (1399822110).

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

698764770 is a wasteful number, since it uses less digits than its factorization.

698764770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41560 (or 41557 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 698764770 is about 26434.1591506142. The cubic root of 698764770 is about 887.3814248778.

The spelling of 698764770 in words is "six hundred ninety-eight million, seven hundred sixty-four thousand, seven hundred seventy".