7955679420 has 144 divisors (see below), whose sum is σ = 26827137792. Its totient is φ = 1895132160.

The previous prime is 7955679419. The next prime is 7955679421. The reversal of 7955679420 is 249765597.

7955679420 is a `hidden beast` number, since 79 + 5 + 567 + 9 + 4 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (7955679419) and next prime (7955679421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7955679421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17704 + ... + 127376.

It is an arithmetic number, because the mean of its divisors is an integer number (186299568).

Almost surely, 2^7955679420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7955679420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13413568896).

7955679420 is an abundant number, since it is smaller than the sum of its proper divisors (18871458372).

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

7955679420 is a wasteful number, since it uses less digits than its factorization.

7955679420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109732 (or 109727 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The square root of 7955679420 is about 89194.6154204389. The cubic root of 7955679420 is about 1996.2997767291.

The spelling of 7955679420 in words is "seven billion, nine hundred fifty-five million, six hundred seventy-nine thousand, four hundred twenty".