764148487 has 8 divisors (see below), whose sum is σ = 809487216. Its totient is φ = 718852992.

The previous prime is 764148433. The next prime is 764148491. The reversal of 764148487 is 784841467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764148487 - 2²⁷ = 629930759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 764148487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764148887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30028 + ... + 49294.

It is an arithmetic number, because the mean of its divisors is an integer number (101185902).

Almost surely, 2^764148487 is an apocalyptic number.

764148487 is a deficient number, since it is larger than the sum of its proper divisors (45338729).

764148487 is a wasteful number, since it uses less digits than its factorization.

764148487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617.

The product of its digits is 1204224, while the sum is 49.

The square root of 764148487 is about 27643.2358272327. The cubic root of 764148487 is about 914.2379660716.

The spelling of 764148487 in words is "seven hundred sixty-four million, one hundred forty-eight thousand, four hundred eighty-seven".