866925464 has 32 divisors (see below), whose sum is σ = 1717210800. Its totient is φ = 409167360.

The previous prime is 866925463. The next prime is 866925467. The reversal of 866925464 is 464529668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866925463) 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, 32564 + ... + 52860.

Almost surely, 2^866925464 is an apocalyptic number.

It is an amenable number.

866925464 is a deficient number, since it is larger than the sum of its proper divisors (850285336).

866925464 is a wasteful number, since it uses less digits than its factorization.

866925464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20603 (or 20599 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 866925464 is about 29443.5980138298. The cubic root of 866925464 is about 953.5143934823.

The spelling of 866925464 in words is "eight hundred sixty-six million, nine hundred twenty-five thousand, four hundred sixty-four".