27464077641 has 128 divisors (see below), whose sum is σ = 50236784640. Its totient is φ = 12885350400.

The previous prime is 27464077607. The next prime is 27464077651. The reversal of 27464077641 is 14677046472.

It is not a de Polignac number, because 27464077641 - 2¹⁷ = 27463946569 is a prime.

It is a super-2 number, since 2×27464077641² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27464077601) 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 in 127 ways as a sum of consecutive naturals, for example, 57336040 + ... + 57336518.

It is an arithmetic number, because the mean of its divisors is an integer number (392474880).

Almost surely, 2^27464077641 is an apocalyptic number.

27464077641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27464077641 is a deficient number, since it is larger than the sum of its proper divisors (22772706999).

27464077641 is a wasteful number, since it uses less digits than its factorization.

27464077641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 27464077641 in words is "twenty-seven billion, four hundred sixty-four million, seventy-seven thousand, six hundred forty-one".