780996801 has 8 divisors (see below), whose sum is σ = 1121431360. Its totient is φ = 480613392.

The previous prime is 780996781. The next prime is 780996803. The reversal of 780996801 is 108699087.

It is a happy number.

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

It is not a de Polignac number, because 780996801 - 2¹⁰ = 780995777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (780996803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10012741 + ... + 10012818.

It is an arithmetic number, because the mean of its divisors is an integer number (140178920).

Almost surely, 2^780996801 is an apocalyptic number.

It is an amenable number.

780996801 is a deficient number, since it is larger than the sum of its proper divisors (340434559).

780996801 is a wasteful number, since it uses less digits than its factorization.

780996801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025575.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 780996801 is about 27946.3199902957. The cubic root of 780996801 is about 920.9083659795.

The spelling of 780996801 in words is "seven hundred eighty million, nine hundred ninety-six thousand, eight hundred one".