854068690 has 16 divisors (see below), whose sum is σ = 1550930328. Its totient is φ = 338603776.

The previous prime is 854068679. The next prime is 854068697. The reversal of 854068690 is 96860458.

It can be written as a sum of positive squares in 4 ways, for example, as 637714009 + 216354681 = 25253^2 + 14709^2 .

It is a super-2 number, since 2×854068690² = 1458866654476632200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 854068690.

It is not an unprimeable number, because it can be changed into a prime (854068697) 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, 376777 + ... + 379036.

Almost surely, 2^854068690 is an apocalyptic number.

854068690 is a deficient number, since it is larger than the sum of its proper divisors (696861638).

854068690 is a wasteful number, since it uses less digits than its factorization.

854068690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755933.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 854068690 is about 29224.4536304787. The cubic root of 854068690 is about 948.7772597640. Note that the first 3 decimals are identical.

The spelling of 854068690 in words is "eight hundred fifty-four million, sixty-eight thousand, six hundred ninety".