68470478577 has 16 divisors (see below), whose sum is σ = 101461308480. Its totient is φ = 45636382656.

The previous prime is 68470478431. The next prime is 68470478599. The reversal of 68470478577 is 77587407486.

It is not a de Polignac number, because 68470478577 - 2¹⁸ = 68470216433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68470478677) 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, 175263 + ... + 409460.

It is an arithmetic number, because the mean of its divisors is an integer number (6341331780).

Almost surely, 2^68470478577 is an apocalyptic number.

It is an amenable number.

68470478577 is a deficient number, since it is larger than the sum of its proper divisors (32990829903).

68470478577 is a wasteful number, since it uses less digits than its factorization.

68470478577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589069 (or 589063 counting only the distinct ones).

The product of its (nonzero) digits is 73758720, while the sum is 63.

The spelling of 68470478577 in words is "sixty-eight billion, four hundred seventy million, four hundred seventy-eight thousand, five hundred seventy-seven".