7800001404 has 96 divisors (see below), whose sum is σ = 20777492736. Its totient is φ = 2256153600.

The previous prime is 7800001399. The next prime is 7800001463. The reversal of 7800001404 is 4041000087.

7800001404 is a modest number, since divided by 1404 gives 780 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3847039 + ... + 3849065.

It is an arithmetic number, because the mean of its divisors is an integer number (216432216).

Almost surely, 2^7800001404 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 7800001404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10388746368).

7800001404 is an abundant number, since it is smaller than the sum of its proper divisors (12977491332).

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

7800001404 is a wasteful number, since it uses less digits than its factorization.

7800001404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7800001404 is about 88317.6166118629. The cubic root of 7800001404 is about 1983.1926016723.

The spelling of 7800001404 in words is "seven billion, eight hundred million, one thousand, four hundred four".