747927953280 has 384 divisors, whose sum is σ = 2751407568000. Its totient is φ = 186671443968.

The previous prime is 747927953251. The next prime is 747927953309. The reversal of 747927953280 is 82359729747.

747927953280 is a `hidden beast` number, since 7 + 4 + 7 + 92 + 7 + 9 + 532 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (747927953251) and next prime (747927953309).

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9042351 + ... + 9124689.

It is an arithmetic number, because the mean of its divisors is an integer number (7165123875).

Almost surely, 2^747927953280 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 747927953280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375703784000).

747927953280 is an abundant number, since it is smaller than the sum of its proper divisors (2003479614720).

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

747927953280 is a wasteful number, since it uses less digits than its factorization.

747927953280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82466 (or 82451 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 747927953280 in words is "seven hundred forty-seven billion, nine hundred twenty-seven million, nine hundred fifty-three thousand, two hundred eighty".