764275136785 has 8 divisors (see below), whose sum is σ = 917135752896. Its totient is φ = 611416383600.

The previous prime is 764275136771. The next prime is 764275136839. The reversal of 764275136785 is 587631572467.

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

It is not a de Polignac number, because 764275136785 - 2⁵ = 764275136753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703852 + ... + 1422658.

It is an arithmetic number, because the mean of its divisors is an integer number (114641969112).

Almost surely, 2^764275136785 is an apocalyptic number.

It is an amenable number.

764275136785 is a deficient number, since it is larger than the sum of its proper divisors (152860616111).

764275136785 is a wasteful number, since it uses less digits than its factorization.

764275136785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931463.

The product of its digits is 59270400, while the sum is 61.

The spelling of 764275136785 in words is "seven hundred sixty-four billion, two hundred seventy-five million, one hundred thirty-six thousand, seven hundred eighty-five".