797193890 has 16 divisors (see below), whose sum is σ = 1442465280. Its totient is φ = 317207280.

The previous prime is 797193871. The next prime is 797193907. The reversal of 797193890 is 98391797.

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, 206780 + ... + 210599.

It is an arithmetic number, because the mean of its divisors is an integer number (90154080).

Almost surely, 2^797193890 is an apocalyptic number.

797193890 is a deficient number, since it is larger than the sum of its proper divisors (645271390).

797193890 is a wasteful number, since it uses less digits than its factorization.

797193890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417577.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 797193890 is about 28234.6221862450. The cubic root of 797193890 is about 927.2310944428.

The spelling of 797193890 in words is "seven hundred ninety-seven million, one hundred ninety-three thousand, eight hundred ninety".