5420591687 has 16 divisors (see below), whose sum is σ = 6227020800. Its totient is φ = 4622244000.

The previous prime is 5420591669. The next prime is 5420591689. The reversal of 5420591687 is 7861950245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5420591687 - 2¹⁰ = 5420590663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420591689) 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, 1138562 + ... + 1143312.

It is an arithmetic number, because the mean of its divisors is an integer number (389188800).

Almost surely, 2^5420591687 is an apocalyptic number.

5420591687 is a deficient number, since it is larger than the sum of its proper divisors (806429113).

5420591687 is a wasteful number, since it uses less digits than its factorization.

5420591687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 5420591687 is about 73624.6676529001. The cubic root of 5420591687 is about 1756.6378313259.

The spelling of 5420591687 in words is "five billion, four hundred twenty million, five hundred ninety-one thousand, six hundred eighty-seven".