26433730087 has 8 divisors (see below), whose sum is σ = 27185778576. Its totient is φ = 25687923072.

The previous prime is 26433730061. The next prime is 26433730109. The reversal of 26433730087 is 78003733462.

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

It is a cyclic number.

It is not a de Polignac number, because 26433730087 - 2¹¹ = 26433728039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26433730387) 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, 1551778 + ... + 1568719.

It is an arithmetic number, because the mean of its divisors is an integer number (3398222322).

Almost surely, 2^26433730087 is an apocalyptic number.

26433730087 is a deficient number, since it is larger than the sum of its proper divisors (752048489).

26433730087 is a wasteful number, since it uses less digits than its factorization.

26433730087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120737.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 26433730087 in words is "twenty-six billion, four hundred thirty-three million, seven hundred thirty thousand, eighty-seven".