767379491 has 2 divisors, whose sum is σ = 767379492. Its totient is φ = 767379490.

The previous prime is 767379413. The next prime is 767379523. The reversal of 767379491 is 194973767.

767379491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-767379491 is a prime.

It is not a weakly prime, because it can be changed into another prime (767379401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383689745 + 383689746.

It is an arithmetic number, because the mean of its divisors is an integer number (383689746).

Almost surely, 2^767379491 is an apocalyptic number.

767379491 is a deficient number, since it is larger than the sum of its proper divisors (1).

767379491 is an equidigital number, since it uses as much as digits as its factorization.

767379491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 53.

The square root of 767379491 is about 27701.6153139127. The cubic root of 767379491 is about 915.5246937392.

The spelling of 767379491 in words is "seven hundred sixty-seven million, three hundred seventy-nine thousand, four hundred ninety-one".