764679451 has 2 divisors, whose sum is σ = 764679452. Its totient is φ = 764679450.

The previous prime is 764679439. The next prime is 764679463. The reversal of 764679451 is 154976467.

It is a balanced prime because it is at equal distance from previous prime (764679439) and next prime (764679463).

It is an emirp because it is prime and its reverse (154976467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764679451 - 2⁹ = 764678939 is a prime.

It is a super-2 number, since 2×764679451² = 1169469325563322802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 764679395 and 764679404.

It is not a weakly prime, because it can be changed into another prime (764679401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382339725 + 382339726.

It is an arithmetic number, because the mean of its divisors is an integer number (382339726).

Almost surely, 2^764679451 is an apocalyptic number.

764679451 is a deficient number, since it is larger than the sum of its proper divisors (1).

764679451 is an equidigital number, since it uses as much as digits as its factorization.

764679451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 764679451 is about 27652.8380279493. The cubic root of 764679451 is about 914.4496679711.

The spelling of 764679451 in words is "seven hundred sixty-four million, six hundred seventy-nine thousand, four hundred fifty-one".