26157485847687 has 8 divisors (see below), whose sum is σ = 35071489405440. Its totient is φ = 17340903094200.

The previous prime is 26157485847667. The next prime is 26157485847743. The reversal of 26157485847687 is 78674858475162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26157485847687 - 2²² = 26157481653383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26157485847637) 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, 24355200439 + ... + 24355201512.

It is an arithmetic number, because the mean of its divisors is an integer number (4383936175680).

Almost surely, 2^{26157485847687} is an apocalyptic number.

26157485847687 is a deficient number, since it is larger than the sum of its proper divisors (8914003557753).

26157485847687 is a wasteful number, since it uses less digits than its factorization.

26157485847687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48710402133.

The product of its digits is 5057740800, while the sum is 78.

The spelling of 26157485847687 in words is "twenty-six trillion, one hundred fifty-seven billion, four hundred eighty-five million, eight hundred forty-seven thousand, six hundred eighty-seven".