7948220701 has 4 divisors (see below), whose sum is σ = 7948771804. Its totient is φ = 7947669600.

The previous prime is 7948220689. The next prime is 7948220719. The reversal of 7948220701 is 1070228497.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3687525625 + 4260695076 = 60725^2 + 65274^2 .

It is a cyclic number.

It is not a de Polignac number, because 7948220701 - 2¹¹ = 7948218653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948250701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253320 + ... + 282961.

It is an arithmetic number, because the mean of its divisors is an integer number (1987192951).

Almost surely, 2^7948220701 is an apocalyptic number.

It is an amenable number.

7948220701 is a deficient number, since it is larger than the sum of its proper divisors (551103).

7948220701 is a wasteful number, since it uses less digits than its factorization.

7948220701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551102.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 7948220701 is about 89152.7941289559. The cubic root of 7948220701 is about 1995.6757154366.

The spelling of 7948220701 in words is "seven billion, nine hundred forty-eight million, two hundred twenty thousand, seven hundred one".