763858020 has 96 divisors (see below), whose sum is σ = 2209794048. Its totient is φ = 197027712.

The previous prime is 763858001. The next prime is 763858021. The reversal of 763858020 is 20858367.

It is a self number, because there is not a number n which added to its sum of digits gives 763858020.

It is not an unprimeable number, because it can be changed into a prime (763858021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274677 + ... + 277443.

It is an arithmetic number, because the mean of its divisors is an integer number (23018688).

Almost surely, 2^763858020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 763858020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104897024).

763858020 is an abundant number, since it is smaller than the sum of its proper divisors (1445936028).

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

763858020 is a wasteful number, since it uses less digits than its factorization.

763858020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2927 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 763858020 is about 27637.9814747749. The cubic root of 763858020 is about 914.1221117935.

The spelling of 763858020 in words is "seven hundred sixty-three million, eight hundred fifty-eight thousand, twenty".