678242411 has 32 divisors (see below), whose sum is σ = 894136320. Its totient is φ = 498420000.

The previous prime is 678242399. The next prime is 678242417. The reversal of 678242411 is 114242876.

It is a cyclic number.

It is not a de Polignac number, because 678242411 - 2²² = 674048107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678242417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366290 + ... + 368136.

It is an arithmetic number, because the mean of its divisors is an integer number (27941760).

Almost surely, 2^678242411 is an apocalyptic number.

678242411 is a deficient number, since it is larger than the sum of its proper divisors (215893909).

678242411 is a wasteful number, since it uses less digits than its factorization.

678242411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its digits is 21504, while the sum is 35.

The square root of 678242411 is about 26043.0875857683. The cubic root of 678242411 is about 878.6076513876.

The spelling of 678242411 in words is "six hundred seventy-eight million, two hundred forty-two thousand, four hundred eleven".