764242215083 has 4 divisors (see below), whose sum is σ = 776770776048. Its totient is φ = 751713654120.

The previous prime is 764242215071. The next prime is 764242215103. The reversal of 764242215083 is 380512242467.

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

It is a cyclic number.

It is not a de Polignac number, because 764242215083 - 2¹⁰ = 764242214059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764242218083) 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, 6264280391 + ... + 6264280512.

It is an arithmetic number, because the mean of its divisors is an integer number (194192694012).

Almost surely, 2^764242215083 is an apocalyptic number.

764242215083 is a deficient number, since it is larger than the sum of its proper divisors (12528560965).

764242215083 is a wasteful number, since it uses less digits than its factorization.

764242215083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528560964.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 764242215083 in words is "seven hundred sixty-four billion, two hundred forty-two million, two hundred fifteen thousand, eighty-three".