551628787893 has 8 divisors (see below), whose sum is σ = 778770053568. Its totient is φ = 346120023744.

The previous prime is 551628787877. The next prime is 551628787943. The reversal of 551628787893 is 398787826155.

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

It is not a de Polignac number, because 551628787893 - 2⁴ = 551628787877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551628787813) 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, 5408125321 + ... + 5408125422.

It is an arithmetic number, because the mean of its divisors is an integer number (97346256696).

Almost surely, 2^551628787893 is an apocalyptic number.

It is an amenable number.

551628787893 is a deficient number, since it is larger than the sum of its proper divisors (227141265675).

551628787893 is a wasteful number, since it uses less digits than its factorization.

551628787893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816250763.

The product of its digits is 203212800, while the sum is 69.

The spelling of 551628787893 in words is "five hundred fifty-one billion, six hundred twenty-eight million, seven hundred eighty-seven thousand, eight hundred ninety-three".