790887420 has 144 divisors (see below), whose sum is σ = 2503388160. Its totient is φ = 201858048.

The previous prime is 790887403. The next prime is 790887443. The reversal of 790887420 is 24788097.

It is a super-2 number, since 2×790887420² = 1251005822228512800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 662344 + ... + 663536.

It is an arithmetic number, because the mean of its divisors is an integer number (17384640).

Almost surely, 2^790887420 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 790887420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251694080).

790887420 is an abundant number, since it is smaller than the sum of its proper divisors (1712500740).

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

790887420 is a wasteful number, since it uses less digits than its factorization.

790887420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1359 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 790887420 is about 28122.7207076414. The cubic root of 790887420 is about 924.7795608138.

The spelling of 790887420 in words is "seven hundred ninety million, eight hundred eighty-seven thousand, four hundred twenty".