747963231408 has 300 divisors, whose sum is σ = 2267462095360. Its totient is φ = 238015210752.

The previous prime is 747963231361. The next prime is 747963231437. The reversal of 747963231408 is 804132369747.

747963231408 is a `hidden beast` number, since 7 + 479 + 6 + 3 + 23 + 140 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 584802513 + ... + 584803791.

Almost surely, 2^747963231408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747963231408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1133731047680).

747963231408 is an abundant number, since it is smaller than the sum of its proper divisors (1519498863952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747963231408 is a wasteful number, since it uses less digits than its factorization.

747963231408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 747963231408 in words is "seven hundred forty-seven billion, nine hundred sixty-three million, two hundred thirty-one thousand, four hundred eight".