798987487320 has 512 divisors, whose sum is σ = 3089373696000. Its totient is φ = 181526446080.

The previous prime is 798987487307. The next prime is 798987487367. The reversal of 798987487320 is 23784789897.

798987487320 is a `hidden beast` number, since 79 + 8 + 98 + 74 + 87 + 320 = 666.

It is a Cunningham number, because it is equal to 893861²-1.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48260164 + ... + 48276716.

It is an arithmetic number, because the mean of its divisors is an integer number (6033933000).

Almost surely, 2^798987487320 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 798987487320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544686848000).

798987487320 is an abundant number, since it is smaller than the sum of its proper divisors (2290386208680).

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

798987487320 is a wasteful number, since it uses less digits than its factorization.

798987487320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840 (or 16830 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 72.

The spelling of 798987487320 in words is "seven hundred ninety-eight billion, nine hundred eighty-seven million, four hundred eighty-seven thousand, three hundred twenty".