764428795471 has 6 divisors (see below), whose sum is σ = 840239915816. Its totient is φ = 694935268500.

The previous prime is 764428795453. The next prime is 764428795483. The reversal of 764428795471 is 174597824467.

It is not a de Polignac number, because 764428795471 - 2⁹ = 764428794959 is a prime.

It is a super-3 number, since 3×764428795471³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764428796471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3158796555 + ... + 3158796796.

Almost surely, 2^764428795471 is an apocalyptic number.

764428795471 is a deficient number, since it is larger than the sum of its proper divisors (75811120345).

764428795471 is a wasteful number, since it uses less digits than its factorization.

764428795471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317593373 (or 6317593362 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 64.

The spelling of 764428795471 in words is "seven hundred sixty-four billion, four hundred twenty-eight million, seven hundred ninety-five thousand, four hundred seventy-one".