797190172438 has 16 divisors (see below), whose sum is σ = 1304509628160. Its totient is φ = 362354553000.

The previous prime is 797190172423. The next prime is 797190172451. The reversal of 797190172438 is 834271091797.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025463 + ... + 2386813.

It is an arithmetic number, because the mean of its divisors is an integer number (81531851760).

Almost surely, 2^797190172438 is an apocalyptic number.

797190172438 is a deficient number, since it is larger than the sum of its proper divisors (507319455722).

797190172438 is a wasteful number, since it uses less digits than its factorization.

797190172438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461643.

The product of its (nonzero) digits is 5334336, while the sum is 58.

The spelling of 797190172438 in words is "seven hundred ninety-seven billion, one hundred ninety million, one hundred seventy-two thousand, four hundred thirty-eight".