790100643 has 4 divisors (see below), whose sum is σ = 1053467528. Its totient is φ = 526733760.

The previous prime is 790100587. The next prime is 790100651. The reversal of 790100643 is 346001097.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 790100643 - 2¹⁷ = 789969571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 790100643.

It is not an unprimeable number, because it can be changed into a prime (790100543) 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 3 ways as a sum of consecutive naturals, for example, 131683438 + ... + 131683443.

It is an arithmetic number, because the mean of its divisors is an integer number (263366882).

Almost surely, 2^790100643 is an apocalyptic number.

790100643 is a deficient number, since it is larger than the sum of its proper divisors (263366885).

790100643 is a wasteful number, since it uses less digits than its factorization.

790100643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263366884.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 790100643 is about 28108.7289467169. The cubic root of 790100643 is about 924.4728013118.

The spelling of 790100643 in words is "seven hundred ninety million, one hundred thousand, six hundred forty-three".