764122145039 has 32 divisors (see below), whose sum is σ = 859809613824. Its totient is φ = 673157422080.

The previous prime is 764122145027. The next prime is 764122145053. The reversal of 764122145039 is 930541221467.

764122145039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 764122145039 - 2¹⁶ = 764122079503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764122145009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28431722 + ... + 28458584.

It is an arithmetic number, because the mean of its divisors is an integer number (26869050432).

Almost surely, 2^764122145039 is an apocalyptic number.

764122145039 is a deficient number, since it is larger than the sum of its proper divisors (95687468785).

764122145039 is a wasteful number, since it uses less digits than its factorization.

764122145039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27527.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 764122145039 in words is "seven hundred sixty-four billion, one hundred twenty-two million, one hundred forty-five thousand, thirty-nine".