87953377 has 2 divisors, whose sum is σ = 87953378. Its totient is φ = 87953376.

The previous prime is 87953363. The next prime is 87953387. The reversal of 87953377 is 77335978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 19989841 = 8244^2 + 4471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87953377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87953377.

It is not a weakly prime, because it can be changed into another prime (87953347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43976688 + 43976689.

It is an arithmetic number, because the mean of its divisors is an integer number (43976689).

Almost surely, 2^87953377 is an apocalyptic number.

It is an amenable number.

87953377 is a deficient number, since it is larger than the sum of its proper divisors (1).

87953377 is an equidigital number, since it uses as much as digits as its factorization.

87953377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 49.

The square root of 87953377 is about 9378.3461761656. The cubic root of 87953377 is about 444.7174522496.

The spelling of 87953377 in words is "eighty-seven million, nine hundred fifty-three thousand, three hundred seventy-seven".