7828025550 has 48 divisors (see below), whose sum is σ = 19423070832. Its totient is φ = 2086444800.

The previous prime is 7828025539. The next prime is 7828025561. The reversal of 7828025550 is 555208287.

It is an interprime number because it is at equal distance from previous prime (7828025539) and next prime (7828025561).

It is a super-2 number, since 2×7828025550² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321402 + ... + 344898.

It is an arithmetic number, because the mean of its divisors is an integer number (404647309).

Almost surely, 2^7828025550 is an apocalyptic number.

7828025550 is an abundant number, since it is smaller than the sum of its proper divisors (11595045282).

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

7828025550 is a wasteful number, since it uses less digits than its factorization.

7828025550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25733 (or 25728 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 7828025550 is about 88476.1298317235. The cubic root of 7828025550 is about 1985.5648598560.

The spelling of 7828025550 in words is "seven billion, eight hundred twenty-eight million, twenty-five thousand, five hundred fifty".