780574017001 has 9 divisors (see below), whose sum is σ = 785911936509. Its totient is φ = 775272127500.

The previous prime is 780574016987. The next prime is 780574017029. The reversal of 780574017001 is 100710475087.

The square root of 780574017001 is 883501.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 780574017001 - 2²¹ = 780571919849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780574017061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 133405726 + ... + 133411576.

It is an arithmetic number, because the mean of its divisors is an integer number (87323548501).

Almost surely, 2^780574017001 is an apocalyptic number.

780574017001 is the 883501-st square number.

780574017001 is the 441751-st centered octagonal number.

It is an amenable number.

780574017001 is a deficient number, since it is larger than the sum of its proper divisors (5337919508).

780574017001 is an frugal number, since it uses more digits than its factorization.

780574017001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 6002 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 780574017001 in words is "seven hundred eighty billion, five hundred seventy-four million, seventeen thousand, one".