1087457677 has 2 divisors, whose sum is σ = 1087457678. Its totient is φ = 1087457676.

The previous prime is 1087457663. The next prime is 1087457729. The reversal of 1087457677 is 7767547801.

It is a happy number.

It is an a-pointer prime, because the next prime (1087457729) can be obtained adding 1087457677 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950427241 + 137030436 = 30829^2 + 11706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087457677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087454677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543728838 + 543728839.

It is an arithmetic number, because the mean of its divisors is an integer number (543728839).

Almost surely, 2^1087457677 is an apocalyptic number.

It is an amenable number.

1087457677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087457677 is an equidigital number, since it uses as much as digits as its factorization.

1087457677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304960, while the sum is 52.

The square root of 1087457677 is about 32976.6231897688. The cubic root of 1087457677 is about 1028.3417175250.

The spelling of 1087457677 in words is "one billion, eighty-seven million, four hundred fifty-seven thousand, six hundred seventy-seven".