855262215 has 36 divisors (see below), whose sum is σ = 1523713464. Its totient is φ = 443779776.

The previous prime is 855262211. The next prime is 855262223. The reversal of 855262215 is 512262558.

It is a happy number.

It is not a de Polignac number, because 855262215 - 2² = 855262211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855262215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855262211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54664 + ... + 68546.

It is an arithmetic number, because the mean of its divisors is an integer number (42325374).

Almost surely, 2^855262215 is an apocalyptic number.

855262215 is a deficient number, since it is larger than the sum of its proper divisors (668451249).

855262215 is a wasteful number, since it uses less digits than its factorization.

855262215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968 (or 13928 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 855262215 is about 29244.8664725965. The cubic root of 855262215 is about 949.2190127957.

The spelling of 855262215 in words is "eight hundred fifty-five million, two hundred sixty-two thousand, two hundred fifteen".