63970377 has 8 divisors (see below), whose sum is σ = 85485600. Its totient is φ = 42551040.

The previous prime is 63970367. The next prime is 63970381. The reversal of 63970377 is 77307936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63970377 - 2¹⁴ = 63953993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63970367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22399 + ... + 25092.

It is an arithmetic number, because the mean of its divisors is an integer number (10685700).

Almost surely, 2^63970377 is an apocalyptic number.

It is an amenable number.

63970377 is a deficient number, since it is larger than the sum of its proper divisors (21515223).

63970377 is a wasteful number, since it uses less digits than its factorization.

63970377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47943.

The product of its (nonzero) digits is 166698, while the sum is 42.

The square root of 63970377 is about 7998.1483482116. The cubic root of 63970377 is about 399.9382758925.

The spelling of 63970377 in words is "sixty-three million, nine hundred seventy thousand, three hundred seventy-seven".