5437779989487 has 8 divisors (see below), whose sum is σ = 7250585560704. Its totient is φ = 3625080538968.

The previous prime is 5437779989483. The next prime is 5437779989501. The reversal of 5437779989487 is 7849899777345.

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

It is not a de Polignac number, because 5437779989487 - 2² = 5437779989483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437779989483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26410533 + ... + 26615630.

It is an arithmetic number, because the mean of its divisors is an integer number (906323195088).

Almost surely, 2^{5437779989487} is an apocalyptic number.

5437779989487 is a deficient number, since it is larger than the sum of its proper divisors (1812805571217).

5437779989487 is a wasteful number, since it uses less digits than its factorization.

5437779989487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53060349.

The product of its digits is 26885053440, while the sum is 87.

The spelling of 5437779989487 in words is "five trillion, four hundred thirty-seven billion, seven hundred seventy-nine million, nine hundred eighty-nine thousand, four hundred eighty-seven".