26718472872157 has 16 divisors (see below), whose sum is σ = 29159715158784. Its totient is φ = 24279280920000.

The previous prime is 26718472872109. The next prime is 26718472872163. The reversal of 26718472872157 is 75127827481762.

It is a cyclic number.

It is not a de Polignac number, because 26718472872157 - 2¹⁵ = 26718472839389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26718472872092 and 26718472872101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26718472872107) 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, 307556907 + ... + 307643767.

It is an arithmetic number, because the mean of its divisors is an integer number (1822482197424).

Almost surely, 2^{26718472872157} is an apocalyptic number.

It is an amenable number.

26718472872157 is a deficient number, since it is larger than the sum of its proper divisors (2441242286627).

26718472872157 is a wasteful number, since it uses less digits than its factorization.

26718472872157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98340.

The product of its digits is 147517440, while the sum is 67.

The spelling of 26718472872157 in words is "twenty-six trillion, seven hundred eighteen billion, four hundred seventy-two million, eight hundred seventy-two thousand, one hundred fifty-seven".