63677379 has 16 divisors (see below), whose sum is σ = 92257280. Its totient is φ = 38918880.

The previous prime is 63677371. The next prime is 63677399. The reversal of 63677379 is 97377636.

It is not a de Polignac number, because 63677379 - 2³ = 63677371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63677371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16252 + ... + 19785.

It is an arithmetic number, because the mean of its divisors is an integer number (5766080).

Almost surely, 2^63677379 is an apocalyptic number.

63677379 is a deficient number, since it is larger than the sum of its proper divisors (28579901).

63677379 is a wasteful number, since it uses less digits than its factorization.

63677379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36090.

The product of its digits is 1000188, while the sum is 48.

The square root of 63677379 is about 7979.8107120407. The cubic root of 63677379 is about 399.3267403561.

The spelling of 63677379 in words is "sixty-three million, six hundred seventy-seven thousand, three hundred seventy-nine".