987654226755 has 64 divisors (see below), whose sum is σ = 1820321280000. Its totient is φ = 447927739776.

The previous prime is 987654226753. The next prime is 987654226781. The reversal of 987654226755 is 557622456789.

It is not a de Polignac number, because 987654226755 - 2¹ = 987654226753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (987654226751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9584496 + ... + 9686994.

It is an arithmetic number, because the mean of its divisors is an integer number (28442520000).

Almost surely, 2^987654226755 is an apocalyptic number.

987654226755 is a deficient number, since it is larger than the sum of its proper divisors (832667053245).

987654226755 is a wasteful number, since it uses less digits than its factorization.

987654226755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103240.

The product of its digits is 254016000, while the sum is 66.

The spelling of 987654226755 in words is "nine hundred eighty-seven billion, six hundred fifty-four million, two hundred twenty-six thousand, seven hundred fifty-five".