46887878864 has 10 divisors (see below), whose sum is σ = 90845265330. Its totient is φ = 23443939424.

The previous prime is 46887878801. The next prime is 46887878879.

46887878864 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 23507022400 + 23380856464 = 153320^2 + 152908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 46887878791 and 46887878800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465246199 + ... + 1465246230.

It is an arithmetic number, because the mean of its divisors is an integer number (9084526533).

Almost surely, 2^46887878864 is an apocalyptic number.

It is an amenable number.

46887878864 is a deficient number, since it is larger than the sum of its proper divisors (43957386466).

46887878864 is a wasteful number, since it uses less digits than its factorization.

46887878864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930492437 (or 2930492431 counting only the distinct ones).

The product of its digits is 924844032, while the sum is 74.

The spelling of 46887878864 in words is "forty-six billion, eight hundred eighty-seven million, eight hundred seventy-eight thousand, eight hundred sixty-four".