851754955 has 4 divisors (see below), whose sum is σ = 1022105952. Its totient is φ = 681403960.

The previous prime is 851754949. The next prime is 851755043. The reversal of 851754955 is 559457158.

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

It is not a de Polignac number, because 851754955 - 2¹⁵ = 851722187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 851754899 and 851754908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85175491 + ... + 85175500.

It is an arithmetic number, because the mean of its divisors is an integer number (255526488).

Almost surely, 2^851754955 is an apocalyptic number.

851754955 is a deficient number, since it is larger than the sum of its proper divisors (170350997).

851754955 is a wasteful number, since it uses less digits than its factorization.

851754955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170350996.

The product of its digits is 1260000, while the sum is 49.

The square root of 851754955 is about 29184.8411851084. The cubic root of 851754955 is about 947.9197157497.

The spelling of 851754955 in words is "eight hundred fifty-one million, seven hundred fifty-four thousand, nine hundred fifty-five".