780598896 has 160 divisors (see below), whose sum is σ = 2535456768. Its totient is φ = 201035520.

The previous prime is 780598891. The next prime is 780598901. The reversal of 780598896 is 698895087.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (780598891) and next prime (780598901).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780598891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468561 + ... + 470223.

Almost surely, 2^780598896 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 780598896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267728384).

780598896 is an abundant number, since it is smaller than the sum of its proper divisors (1754857872).

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

780598896 is a wasteful number, since it uses less digits than its factorization.

780598896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The square root of 780598896 is about 27939.1999885466. The cubic root of 780598896 is about 920.7519435327.

The spelling of 780598896 in words is "seven hundred eighty million, five hundred ninety-eight thousand, eight hundred ninety-six".