1000798797 has 8 divisors (see below), whose sum is σ = 1335128256. Its totient is φ = 666834272.

The previous prime is 1000798763. The next prime is 1000798819. The reversal of 1000798797 is 7978970001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000798797 - 2¹² = 1000794701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000798717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84768 + ... + 95849.

It is an arithmetic number, because the mean of its divisors is an integer number (166891032).

Almost surely, 2^1000798797 is an apocalyptic number.

It is an amenable number.

1000798797 is a deficient number, since it is larger than the sum of its proper divisors (334329459).

1000798797 is a wasteful number, since it uses less digits than its factorization.

1000798797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182467.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 1000798797 is about 31635.4041700118. The cubic root of 1000798797 is about 1000.2661948007.

The spelling of 1000798797 in words is "one billion, seven hundred ninety-eight thousand, seven hundred ninety-seven".