376678691 has 2 divisors, whose sum is σ = 376678692. Its totient is φ = 376678690.

The previous prime is 376678681. The next prime is 376678693. The reversal of 376678691 is 196876673.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 376678691 - 2¹⁰ = 376677667 is a prime.

Together with 376678693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (376678693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188339345 + 188339346.

It is an arithmetic number, because the mean of its divisors is an integer number (188339346).

Almost surely, 2^376678691 is an apocalyptic number.

376678691 is a deficient number, since it is larger than the sum of its proper divisors (1).

376678691 is an equidigital number, since it uses as much as digits as its factorization.

376678691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 376678691 is about 19408.2119475237. The cubic root of 376678691 is about 722.1992241101.

The spelling of 376678691 in words is "three hundred seventy-six million, six hundred seventy-eight thousand, six hundred ninety-one".