3628762578 has 120 divisors (see below), whose sum is σ = 9722801088. Its totient is φ = 989052768.

The previous prime is 3628762549. The next prime is 3628762589. The reversal of 3628762578 is 8752678263.

3628762578 is a `hidden beast` number, since 3 + 6 + 2 + 8 + 7 + 62 + 578 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9728400 + ... + 9728772.

Almost surely, 2^3628762578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3628762578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4861400544).

3628762578 is an abundant number, since it is smaller than the sum of its proper divisors (6094038510).

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

3628762578 is an equidigital number, since it uses as much as digits as its factorization.

3628762578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 408 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 3628762578 is about 60239.2112996178. The cubic root of 3628762578 is about 1536.6897155778.

The spelling of 3628762578 in words is "three billion, six hundred twenty-eight million, seven hundred sixty-two thousand, five hundred seventy-eight".