70455909888 has 960 divisors, whose sum is σ = 266916249600. Its totient is φ = 18435465216.

The previous prime is 70455909827. The next prime is 70455909929. The reversal of 70455909888 is 88890955407.

It is a happy number.

70455909888 is a `hidden beast` number, since 7 + 0 + 455 + 90 + 98 + 8 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 554770881 + ... + 554771007.

It is an arithmetic number, because the mean of its divisors is an integer number (278037760).

Almost surely, 2^70455909888 is an apocalyptic number.

70455909888 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 70455909888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133458124800).

70455909888 is an abundant number, since it is smaller than the sum of its proper divisors (196460339712).

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

70455909888 is an equidigital number, since it uses as much as digits as its factorization.

70455909888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 70455909888 in words is "seventy billion, four hundred fifty-five million, nine hundred nine thousand, eight hundred eighty-eight".