994597520607 has 24 divisors (see below), whose sum is σ = 1478675864640. Its totient is φ = 643939433280.

The previous prime is 994597520573. The next prime is 994597520711. The reversal of 994597520607 is 706025795499.

994597520607 is a `hidden beast` number, since 9 + 9 + 45 + 9 + 7 + 520 + 60 + 7 = 666.

It is not a de Polignac number, because 994597520607 - 2²² = 994593326303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994597520207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11422788 + ... + 11509529.

It is an arithmetic number, because the mean of its divisors is an integer number (61611494360).

Almost surely, 2^994597520607 is an apocalyptic number.

994597520607 is a deficient number, since it is larger than the sum of its proper divisors (484078344033).

994597520607 is a wasteful number, since it uses less digits than its factorization.

994597520607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22932463 (or 22932460 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 994597520607 in words is "nine hundred ninety-four billion, five hundred ninety-seven million, five hundred twenty thousand, six hundred seven".