678159741 has 16 divisors (see below), whose sum is σ = 1042870400. Its totient is φ = 383963328.

The previous prime is 678159739. The next prime is 678159743. The reversal of 678159741 is 147951876.

It is an interprime number because it is at equal distance from previous prime (678159739) and next prime (678159743).

It is not a de Polignac number, because 678159741 - 2¹ = 678159739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678159743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145846 + ... + 150423.

It is an arithmetic number, because the mean of its divisors is an integer number (65179400).

Almost surely, 2^678159741 is an apocalyptic number.

It is an amenable number.

678159741 is a deficient number, since it is larger than the sum of its proper divisors (364710659).

678159741 is a wasteful number, since it uses less digits than its factorization.

678159741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296388.

The product of its digits is 423360, while the sum is 48.

The square root of 678159741 is about 26041.5003600023. The cubic root of 678159741 is about 878.5719525261.

The spelling of 678159741 in words is "six hundred seventy-eight million, one hundred fifty-nine thousand, seven hundred forty-one".