64603412477 has 8 divisors (see below), whose sum is σ = 65987204736. Its totient is φ = 63220005792.

The previous prime is 64603412473. The next prime is 64603412513. The reversal of 64603412477 is 77421430646.

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

It is a cyclic number.

It is not a de Polignac number, because 64603412477 - 2² = 64603412473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64603412473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255938 + ... + 441260.

It is an arithmetic number, because the mean of its divisors is an integer number (8248400592).

Almost surely, 2^64603412477 is an apocalyptic number.

It is an amenable number.

64603412477 is a deficient number, since it is larger than the sum of its proper divisors (1383792259).

64603412477 is a wasteful number, since it uses less digits than its factorization.

64603412477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192787.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 64603412477 in words is "sixty-four billion, six hundred three million, four hundred twelve thousand, four hundred seventy-seven".