63677371 has 2 divisors, whose sum is σ = 63677372. Its totient is φ = 63677370.

The previous prime is 63677347. The next prime is 63677399. The reversal of 63677371 is 17377636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63677371 - 2⁹ = 63676859 is a prime.

It is not a weakly prime, because it can be changed into another prime (63677311) 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, 31838685 + 31838686.

It is an arithmetic number, because the mean of its divisors is an integer number (31838686).

Almost surely, 2^63677371 is an apocalyptic number.

63677371 is a deficient number, since it is larger than the sum of its proper divisors (1).

63677371 is an equidigital number, since it uses as much as digits as its factorization.

63677371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 40.

The square root of 63677371 is about 7979.8102107757. The cubic root of 63677371 is about 399.3267236332.

The spelling of 63677371 in words is "sixty-three million, six hundred seventy-seven thousand, three hundred seventy-one".