797020785 has 48 divisors (see below), whose sum is σ = 1513624320. Its totient is φ = 384760320.

The previous prime is 797020747. The next prime is 797020787. The reversal of 797020785 is 587020797.

It is not a de Polignac number, because 797020785 - 2⁷ = 797020657 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 797020785.

It is not an unprimeable number, because it can be changed into a prime (797020787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114937 + ... + 121673.

It is an arithmetic number, because the mean of its divisors is an integer number (31533840).

Almost surely, 2^797020785 is an apocalyptic number.

It is an amenable number.

797020785 is a deficient number, since it is larger than the sum of its proper divisors (716603535).

797020785 is a wasteful number, since it uses less digits than its factorization.

797020785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 797020785 is about 28231.5565458230. The cubic root of 797020785 is about 927.1639756989.

The spelling of 797020785 in words is "seven hundred ninety-seven million, twenty thousand, seven hundred eighty-five".