9920587454 has 8 divisors (see below), whose sum is σ = 14881306800. Its totient is φ = 4960151856.

The previous prime is 9920587451. The next prime is 9920587459. The reversal of 9920587454 is 4547850299.

9920587454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9920587396 and 9920587405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920587451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85247 + ... + 164645.

It is an arithmetic number, because the mean of its divisors is an integer number (1860163350).

Almost surely, 2^9920587454 is an apocalyptic number.

9920587454 is a deficient number, since it is larger than the sum of its proper divisors (4960719346).

9920587454 is a wasteful number, since it uses less digits than its factorization.

9920587454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141874.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 9920587454 is about 99602.1458302983. The cubic root of 9920587454 is about 2148.7165553618.

The spelling of 9920587454 in words is "nine billion, nine hundred twenty million, five hundred eighty-seven thousand, four hundred fifty-four".