1077374891 has 2 divisors, whose sum is σ = 1077374892. Its totient is φ = 1077374890.

The previous prime is 1077374887. The next prime is 1077374897. The reversal of 1077374891 is 1984737701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1077374891 - 2² = 1077374887 is a prime.

It is not a weakly prime, because it can be changed into another prime (1077374897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538687445 + 538687446.

It is an arithmetic number, because the mean of its divisors is an integer number (538687446).

Almost surely, 2^1077374891 is an apocalyptic number.

1077374891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077374891 is an equidigital number, since it uses as much as digits as its factorization.

1077374891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 47.

The square root of 1077374891 is about 32823.3893892754. The cubic root of 1077374891 is about 1025.1536207586.

The spelling of 1077374891 in words is "one billion, seventy-seven million, three hundred seventy-four thousand, eight hundred ninety-one".