77546004481 has 16 divisors (see below), whose sum is σ = 86093383680. Its totient is φ = 69250025680.

The previous prime is 77546004463. The next prime is 77546004491. The reversal of 77546004481 is 18440064577.

It is not a de Polignac number, because 77546004481 - 2¹³ = 77545996289 is a prime.

It is a super-2 number, since 2×77546004481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77546004421) 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, 843480 + ... + 930886.

It is an arithmetic number, because the mean of its divisors is an integer number (5380836480).

Almost surely, 2^77546004481 is an apocalyptic number.

It is an amenable number.

77546004481 is a deficient number, since it is larger than the sum of its proper divisors (8547379199).

77546004481 is a wasteful number, since it uses less digits than its factorization.

77546004481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88844.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 77546004481 in words is "seventy-seven billion, five hundred forty-six million, four thousand, four hundred eighty-one".