797809791232 has 18 divisors (see below), whose sum is σ = 1592503138478. Its totient is φ = 398904895488.

The previous prime is 797809791203. The next prime is 797809791241. The reversal of 797809791232 is 232197908797.

It can be written as a sum of positive squares in only one way, i.e., 790278328576 + 7531462656 = 888976^2 + 86784^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558221993 + ... + 1558222504.

Almost surely, 2^797809791232 is an apocalyptic number.

It is an amenable number.

797809791232 is a deficient number, since it is larger than the sum of its proper divisors (794693347246).

797809791232 is an equidigital number, since it uses as much as digits as its factorization.

797809791232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116444513 (or 3116444499 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 64.

The spelling of 797809791232 in words is "seven hundred ninety-seven billion, eight hundred nine million, seven hundred ninety-one thousand, two hundred thirty-two".