90447851437484 has 12 divisors (see below), whose sum is σ = 158306776556208. Its totient is φ = 45217343850000.

The previous prime is 90447851437481. The next prime is 90447851437487. The reversal of 90447851437484 is 48473415874409.

It is an interprime number because it is at equal distance from previous prime (90447851437481) and next prime (90447851437487).

It is not an unprimeable number, because it can be changed into a prime (90447851437481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645436267 + ... + 1645491234.

It is an arithmetic number, because the mean of its divisors is an integer number (13192231379684).

Almost surely, 2^{90447851437484} is an apocalyptic number.

It is an amenable number.

90447851437484 is a deficient number, since it is larger than the sum of its proper divisors (67858925118724).

90447851437484 is a wasteful number, since it uses less digits than its factorization.

90447851437484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290934376 (or 3290934374 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 68.

The spelling of 90447851437484 in words is "ninety trillion, four hundred forty-seven billion, eight hundred fifty-one million, four hundred thirty-seven thousand, four hundred eighty-four".