797429798408 has 8 divisors (see below), whose sum is σ = 1495180872030. Its totient is φ = 398714899200.

The previous prime is 797429798401. The next prime is 797429798441. The reversal of 797429798408 is 804897924797.

It can be written as a sum of positive squares in only one way, i.e., 719073472324 + 78356326084 = 847982^2 + 279922^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (797429798401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49839362393 + ... + 49839362408.

Almost surely, 2^797429798408 is an apocalyptic number.

It is an amenable number.

797429798408 is a deficient number, since it is larger than the sum of its proper divisors (697751073622).

797429798408 is a wasteful number, since it uses less digits than its factorization.

797429798408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99678724807 (or 99678724803 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 74.

The spelling of 797429798408 in words is "seven hundred ninety-seven billion, four hundred twenty-nine million, seven hundred ninety-eight thousand, four hundred eight".