464678077138 has 16 divisors (see below), whose sum is σ = 800402430240. Its totient is φ = 200100607200.

The previous prime is 464678077133. The next prime is 464678077151. The reversal of 464678077138 is 831770876464.

It is not an unprimeable number, because it can be changed into a prime (464678077133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555834603 + ... + 555835438.

It is an arithmetic number, because the mean of its divisors is an integer number (50025151890).

Almost surely, 2^464678077138 is an apocalyptic number.

464678077138 is a deficient number, since it is larger than the sum of its proper divisors (335724353102).

464678077138 is a wasteful number, since it uses less digits than its factorization.

464678077138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111670073.

The product of its (nonzero) digits is 37933056, while the sum is 61.

The spelling of 464678077138 in words is "four hundred sixty-four billion, six hundred seventy-eight million, seventy-seven thousand, one hundred thirty-eight".