764487105 has 16 divisors (see below), whose sum is σ = 1246259520. Its totient is φ = 400033088.

The previous prime is 764487091. The next prime is 764487109. The reversal of 764487105 is 501784467.

It is a cyclic number.

It is not a de Polignac number, because 764487105 - 2⁷ = 764486977 is a prime.

It is a super-2 number, since 2×764487105² = 1168881067422562050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (764487109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480015 + ... + 481604.

It is an arithmetic number, because the mean of its divisors is an integer number (77891220).

Almost surely, 2^764487105 is an apocalyptic number.

It is an amenable number.

764487105 is a deficient number, since it is larger than the sum of its proper divisors (481772415).

764487105 is a wasteful number, since it uses less digits than its factorization.

764487105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961680.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 764487105 is about 27649.3599383422. The cubic root of 764487105 is about 914.3729885706.

It can be divided in two parts, 7644 and 87105, that added together give a palindrome (94749).

The spelling of 764487105 in words is "seven hundred sixty-four million, four hundred eighty-seven thousand, one hundred five".