70070133978 has 96 divisors (see below), whose sum is σ = 167728317120. Its totient is φ = 21003598080.

The previous prime is 70070133943. The next prime is 70070134021. The reversal of 70070133978 is 87933107007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7085025 + ... + 7094907.

It is an arithmetic number, because the mean of its divisors is an integer number (1747169970).

Almost surely, 2^70070133978 is an apocalyptic number.

70070133978 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70070133978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83864158560).

70070133978 is an abundant number, since it is smaller than the sum of its proper divisors (97658183142).

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

70070133978 is a wasteful number, since it uses less digits than its factorization.

70070133978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684 (or 10681 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 70070133978 in words is "seventy billion, seventy million, one hundred thirty-three thousand, nine hundred seventy-eight".