701481978288 has 480 divisors, whose sum is σ = 2444952846336. Its totient is φ = 182818363392.

The previous prime is 701481978287. The next prime is 701481978293. The reversal of 701481978288 is 882879184107.

701481978288 is a `hidden beast` number, since 7 + 0 + 1 + 481 + 9 + 78 + 2 + 88 = 666.

It is a super-2 number, since 2×701481978288² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (701481978283) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 510911170 + ... + 510912542.

Almost surely, 2^701481978288 is an apocalyptic number.

701481978288 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701481978288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222476423168).

701481978288 is an abundant number, since it is smaller than the sum of its proper divisors (1743470868048).

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

701481978288 is a wasteful number, since it uses less digits than its factorization.

701481978288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 63.

The spelling of 701481978288 in words is "seven hundred one billion, four hundred eighty-one million, nine hundred seventy-eight thousand, two hundred eighty-eight".