868435072154 has 24 divisors (see below), whose sum is σ = 1413391716000. Its totient is φ = 400012870608.

The previous prime is 868435072139. The next prime is 868435072163. The reversal of 868435072154 is 451270534868.

It is a junction number, because it is equal to n+sod(n) for n = 868435072096 and 868435072105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2405822 + ... + 2743145.

It is an arithmetic number, because the mean of its divisors is an integer number (58891321500).

Almost surely, 2^868435072154 is an apocalyptic number.

868435072154 is a deficient number, since it is larger than the sum of its proper divisors (544956643846).

868435072154 is a wasteful number, since it uses less digits than its factorization.

868435072154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149494 (or 5149481 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 868435072154 in words is "eight hundred sixty-eight billion, four hundred thirty-five million, seventy-two thousand, one hundred fifty-four".