1075477831 has 2 divisors, whose sum is σ = 1075477832. Its totient is φ = 1075477830.

The previous prime is 1075477787. The next prime is 1075477841. The reversal of 1075477831 is 1387745701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1075477831 - 2¹¹ = 1075475783 is a prime.

It is a super-2 number, since 2×1075477831² = 2313305129944929122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075477841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537738915 + 537738916.

It is an arithmetic number, because the mean of its divisors is an integer number (537738916).

Almost surely, 2^1075477831 is an apocalyptic number.

1075477831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075477831 is an equidigital number, since it uses as much as digits as its factorization.

1075477831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 1075477831 is about 32794.4786663853. The cubic root of 1075477831 is about 1024.5515646164.

The spelling of 1075477831 in words is "one billion, seventy-five million, four hundred seventy-seven thousand, eight hundred thirty-one".