77442725763 has 12 divisors (see below), whose sum is σ = 120466462480. Its totient is φ = 47657061936.

The previous prime is 77442725753. The next prime is 77442725771. The reversal of 77442725763 is 36752724477.

77442725763 is a `hidden beast` number, since 7 + 7 + 44 + 27 + 2 + 576 + 3 = 666.

It is not a de Polignac number, because 77442725763 - 2⁹ = 77442725251 is a prime.

It is a super-3 number, since 3×77442725763³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77442725753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330951703 + ... + 330951936.

Almost surely, 2^77442725763 is an apocalyptic number.

77442725763 is a deficient number, since it is larger than the sum of its proper divisors (43023736717).

77442725763 is a wasteful number, since it uses less digits than its factorization.

77442725763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661903658 (or 661903655 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 54.

The spelling of 77442725763 in words is "seventy-seven billion, four hundred forty-two million, seven hundred twenty-five thousand, seven hundred sixty-three".