7970144977 has 8 divisors (see below), whose sum is σ = 8106876000. Its totient is φ = 7833468864.

The previous prime is 7970144953. The next prime is 7970145011. The reversal of 7970144977 is 7794410797.

It is a happy number.

7970144977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7970144977 is a prime.

It is a super-3 number, since 3×7970144977³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7970144927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 370018 + ... + 390964.

It is an arithmetic number, because the mean of its divisors is an integer number (1013359500).

Almost surely, 2^7970144977 is an apocalyptic number.

It is an amenable number.

7970144977 is a deficient number, since it is larger than the sum of its proper divisors (136731023).

7970144977 is a wasteful number, since it uses less digits than its factorization.

7970144977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27455.

The product of its (nonzero) digits is 3111696, while the sum is 55.

The square root of 7970144977 is about 89275.6684489117. The cubic root of 7970144977 is about 1997.5089801147.

The spelling of 7970144977 in words is "seven billion, nine hundred seventy million, one hundred forty-four thousand, nine hundred seventy-seven".