1077087997 has 2 divisors, whose sum is σ = 1077087998. Its totient is φ = 1077087996.

The previous prime is 1077087971. The next prime is 1077088009. The reversal of 1077087997 is 7997807701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004002596 + 73085401 = 31686^2 + 8549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077087997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1077087967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538543998 + 538543999.

It is an arithmetic number, because the mean of its divisors is an integer number (538543999).

Almost surely, 2^1077087997 is an apocalyptic number.

It is an amenable number.

1077087997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077087997 is an equidigital number, since it uses as much as digits as its factorization.

1077087997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 55.

The square root of 1077087997 is about 32819.0188305501. The cubic root of 1077087997 is about 1025.0626166784.

The spelling of 1077087997 in words is "one billion, seventy-seven million, eighty-seven thousand, nine hundred ninety-seven".