26398570627 has 16 divisors (see below), whose sum is σ = 31070495232. Its totient is φ = 22112082720.

The previous prime is 26398570603. The next prime is 26398570651. The reversal of 26398570627 is 72607589362.

It is an interprime number because it is at equal distance from previous prime (26398570603) and next prime (26398570651).

It is not a de Polignac number, because 26398570627 - 2¹¹ = 26398568579 is a prime.

It is a super-2 number, since 2×26398570627² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26398550627) 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, 90523 + ... + 246964.

It is an arithmetic number, because the mean of its divisors is an integer number (1941905952).

Almost surely, 2^26398570627 is an apocalyptic number.

26398570627 is a deficient number, since it is larger than the sum of its proper divisors (4671924605).

26398570627 is a wasteful number, since it uses less digits than its factorization.

26398570627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338058.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 26398570627 in words is "twenty-six billion, three hundred ninety-eight million, five hundred seventy thousand, six hundred twenty-seven".