85266287621251 has 8 divisors (see below), whose sum is σ = 94542649762608. Its totient is φ = 76244072388000.

The previous prime is 85266287621239. The next prime is 85266287621269. The reversal of 85266287621251 is 15212678266258.

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

It is not a de Polignac number, because 85266287621251 - 2⁵ = 85266287621219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85266287621251.

It is not an unprimeable number, because it can be changed into a prime (85266287621651) 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, 63536726320 + ... + 63536727661.

It is an arithmetic number, because the mean of its divisors is an integer number (11817831220326).

Almost surely, 2^{85266287621251} is an apocalyptic number.

85266287621251 is a deficient number, since it is larger than the sum of its proper divisors (9276362141357).

85266287621251 is a wasteful number, since it uses less digits than its factorization.

85266287621251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127073454053.

The product of its digits is 38707200, while the sum is 61.

The spelling of 85266287621251 in words is "eighty-five trillion, two hundred sixty-six billion, two hundred eighty-seven million, six hundred twenty-one thousand, two hundred fifty-one".