5431401678 has 16 divisors (see below), whose sum is σ = 10919678976. Its totient is φ = 1800987960.

The previous prime is 5431401667. The next prime is 5431401683. The reversal of 5431401678 is 8761041345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368576 + ... + 2370867.

It is an arithmetic number, because the mean of its divisors is an integer number (682479936).

Almost surely, 2^5431401678 is an apocalyptic number.

5431401678 is an abundant number, since it is smaller than the sum of its proper divisors (5488277298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431401678 is a wasteful number, since it uses less digits than its factorization.

5431401678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739639.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 5431401678 is about 73698.0439224814. The cubic root of 5431401678 is about 1757.8047783519.

The spelling of 5431401678 in words is "five billion, four hundred thirty-one million, four hundred one thousand, six hundred seventy-eight".