77145125404599 has 64 divisors (see below), whose sum is σ = 131473677798400. Its totient is φ = 43793600932224.

The previous prime is 77145125404577. The next prime is 77145125404609. The reversal of 77145125404599 is 99540452154177.

77145125404599 is a `hidden beast` number, since 7 + 7 + 1 + 45 + 1 + 2 + 540 + 45 + 9 + 9 = 666.

It is not a de Polignac number, because 77145125404599 - 2²³ = 77145117015991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77145125404559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153425469 + ... + 153927465.

It is an arithmetic number, because the mean of its divisors is an integer number (2054276215600).

Almost surely, 2^{77145125404599} is an apocalyptic number.

77145125404599 is a deficient number, since it is larger than the sum of its proper divisors (54328552393801).

77145125404599 is a wasteful number, since it uses less digits than its factorization.

77145125404599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507349 (or 507343 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 77145125404599 in words is "seventy-seven trillion, one hundred forty-five billion, one hundred twenty-five million, four hundred four thousand, five hundred ninety-nine".