797638270 has 32 divisors (see below), whose sum is σ = 1686756960. Its totient is φ = 267738240.

The previous prime is 797638207. The next prime is 797638271. The reversal of 797638270 is 72836797.

797638270 = 3891² + 3892² + ... + 3942².

797638270 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797638271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277465 + ... + 280324.

It is an arithmetic number, because the mean of its divisors is an integer number (52711155).

Almost surely, 2^797638270 is an apocalyptic number.

797638270 is an abundant number, since it is smaller than the sum of its proper divisors (889118690).

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

797638270 is a wasteful number, since it uses less digits than its factorization.

797638270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557820.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 797638270 is about 28242.4905063275. The cubic root of 797638270 is about 927.4033513307.

The spelling of 797638270 in words is "seven hundred ninety-seven million, six hundred thirty-eight thousand, two hundred seventy".