851466955 has 4 divisors (see below), whose sum is σ = 1021760352. Its totient is φ = 681173560.

The previous prime is 851466953. The next prime is 851466961. The reversal of 851466955 is 559664158.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 851466955 - 2¹ = 851466953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 851466899 and 851466908.

It is not an unprimeable number, because it can be changed into a prime (851466953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85146691 + ... + 85146700.

It is an arithmetic number, because the mean of its divisors is an integer number (255440088).

Almost surely, 2^851466955 is an apocalyptic number.

851466955 is a deficient number, since it is larger than the sum of its proper divisors (170293397).

851466955 is a wasteful number, since it uses less digits than its factorization.

851466955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170293396.

The product of its digits is 1296000, while the sum is 49.

The square root of 851466955 is about 29179.9066996452. The cubic root of 851466955 is about 947.8128651225.

It can be divided in two parts, 8514669 and 55, that added together give a square (8514724 = 2918²).

The spelling of 851466955 in words is "eight hundred fifty-one million, four hundred sixty-six thousand, nine hundred fifty-five".