764380797 has 4 divisors (see below), whose sum is σ = 1019174400. Its totient is φ = 509587196.

The previous prime is 764380783. The next prime is 764380801. The reversal of 764380797 is 797083467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 764380797 - 2⁸ = 764380541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764380717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127396797 + ... + 127396802.

It is an arithmetic number, because the mean of its divisors is an integer number (254793600).

Almost surely, 2^764380797 is an apocalyptic number.

It is an amenable number.

764380797 is a deficient number, since it is larger than the sum of its proper divisors (254793603).

764380797 is a wasteful number, since it uses less digits than its factorization.

764380797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254793602.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The square root of 764380797 is about 27647.4374400233. The cubic root of 764380797 is about 914.3306029986.

The spelling of 764380797 in words is "seven hundred sixty-four million, three hundred eighty thousand, seven hundred ninety-seven".