797932782951 has 4 divisors (see below), whose sum is σ = 1063910377272. Its totient is φ = 531955188632.

The previous prime is 797932782947. The next prime is 797932782991. The reversal of 797932782951 is 159287239797.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 797932782951 - 2² = 797932782947 is a prime.

It is a super-2 number, since 2×797932782951² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797932782901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132988797156 + ... + 132988797161.

It is an arithmetic number, because the mean of its divisors is an integer number (265977594318).

Almost surely, 2^797932782951 is an apocalyptic number.

797932782951 is a deficient number, since it is larger than the sum of its proper divisors (265977594321).

797932782951 is a wasteful number, since it uses less digits than its factorization.

797932782951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265977594320.

The product of its digits is 120022560, while the sum is 69.

The spelling of 797932782951 in words is "seven hundred ninety-seven billion, nine hundred thirty-two million, seven hundred eighty-two thousand, nine hundred fifty-one".