797914620 has 144 divisors (see below), whose sum is σ = 2594329920. Its totient is φ = 197987328.

The previous prime is 797914619. The next prime is 797914631. The reversal of 797914620 is 26419797.

797914620 is a `hidden beast` number, since 7 + 9 + 7 + 9 + 14 + 620 = 666.

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, 150576 + ... + 155784.

It is an arithmetic number, because the mean of its divisors is an integer number (18016180).

Almost surely, 2^797914620 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 797914620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297164960).

797914620 is an abundant number, since it is smaller than the sum of its proper divisors (1796415300).

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

797914620 is a wasteful number, since it uses less digits than its factorization.

797914620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284 (or 5279 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 797914620 is about 28247.3825336083. The cubic root of 797914620 is about 927.5104417808.

The spelling of 797914620 in words is "seven hundred ninety-seven million, nine hundred fourteen thousand, six hundred twenty".