1047077831 has 2 divisors, whose sum is σ = 1047077832. Its totient is φ = 1047077830.

The previous prime is 1047077747. The next prime is 1047077833. The reversal of 1047077831 is 1387707401.

It is a strong prime.

It is an emirp because it is prime and its reverse (1387707401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047077831 - 2¹⁸ = 1046815687 is a prime.

It is a super-2 number, since 2×1047077831² = 2192743968343329122, which contains 22 as substring.

Together with 1047077833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047077833) 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, 523538915 + 523538916.

It is an arithmetic number, because the mean of its divisors is an integer number (523538916).

Almost surely, 2^1047077831 is an apocalyptic number.

1047077831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047077831 is an equidigital number, since it uses as much as digits as its factorization.

1047077831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 1047077831 is about 32358.5820301199. The cubic root of 1047077831 is about 1015.4525976220.

The spelling of 1047077831 in words is "one billion, forty-seven million, seventy-seven thousand, eight hundred thirty-one".