64147301477 has 16 divisors (see below), whose sum is σ = 76534972800. Its totient is φ = 52600363200.

The previous prime is 64147301473. The next prime is 64147301483. The reversal of 64147301477 is 77410374146.

It is not a de Polignac number, because 64147301477 - 2² = 64147301473 is a prime.

It is a super-2 number, since 2×64147301477² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64147301473) 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, 1427399 + ... + 1471652.

It is an arithmetic number, because the mean of its divisors is an integer number (4783435800).

Almost surely, 2^64147301477 is an apocalyptic number.

It is an amenable number.

64147301477 is a deficient number, since it is larger than the sum of its proper divisors (12387671323).

64147301477 is a wasteful number, since it uses less digits than its factorization.

64147301477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899196.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 64147301477 in words is "sixty-four billion, one hundred forty-seven million, three hundred one thousand, four hundred seventy-seven".