855090892655 has 8 divisors (see below), whose sum is σ = 1026151808784. Its totient is φ = 684044222400.

The previous prime is 855090892651. The next prime is 855090892657. The reversal of 855090892655 is 556298090558.

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

It is not a de Polignac number, because 855090892655 - 2² = 855090892651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855090892651) 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, 3428966 + ... + 3669875.

It is an arithmetic number, because the mean of its divisors is an integer number (128268976098).

Almost surely, 2^855090892655 is an apocalyptic number.

855090892655 is a deficient number, since it is larger than the sum of its proper divisors (171060916129).

855090892655 is a wasteful number, since it uses less digits than its factorization.

855090892655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122937.

The product of its (nonzero) digits is 38880000, while the sum is 62.

The spelling of 855090892655 in words is "eight hundred fifty-five billion, ninety million, eight hundred ninety-two thousand, six hundred fifty-five".