764240428271 has 16 divisors (see below), whose sum is σ = 801915364608. Its totient is φ = 727382073600.

The previous prime is 764240428241. The next prime is 764240428277. The reversal of 764240428271 is 172824042467.

It is a cyclic number.

It is not a de Polignac number, because 764240428271 - 2⁶ = 764240428207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764240428277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23388581 + ... + 23421233.

It is an arithmetic number, because the mean of its divisors is an integer number (50119710288).

Almost surely, 2^764240428271 is an apocalyptic number.

764240428271 is a deficient number, since it is larger than the sum of its proper divisors (37674936337).

764240428271 is a wasteful number, since it uses less digits than its factorization.

764240428271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45122.

The product of its (nonzero) digits is 1204224, while the sum is 47.

The spelling of 764240428271 in words is "seven hundred sixty-four billion, two hundred forty million, four hundred twenty-eight thousand, two hundred seventy-one".