764247220201 has 4 divisors (see below), whose sum is σ = 764249760400. Its totient is φ = 764244680004.

The previous prime is 764247220159. The next prime is 764247220211. The reversal of 764247220201 is 102022742467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 764247220201 - 2¹⁵ = 764247187433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764247220211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746991 + ... + 1444468.

It is an arithmetic number, because the mean of its divisors is an integer number (191062440100).

Almost surely, 2^764247220201 is an apocalyptic number.

It is an amenable number.

764247220201 is a deficient number, since it is larger than the sum of its proper divisors (2540199).

764247220201 is a wasteful number, since it uses less digits than its factorization.

764247220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540198.

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 764247220201 its reverse (102022742467), we get a palindrome (866269962668).

The spelling of 764247220201 in words is "seven hundred sixty-four billion, two hundred forty-seven million, two hundred twenty thousand, two hundred one".