20070763879 has 4 divisors (see below), whose sum is σ = 20075163184. Its totient is φ = 20066364576.

The previous prime is 20070763877. The next prime is 20070763891. The reversal of 20070763879 is 97836707002.

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

It is a cyclic number.

It is not a de Polignac number, because 20070763879 - 2¹ = 20070763877 is a prime.

It is a super-2 number, since 2×20070763879² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070763877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2192802 + ... + 2201935.

It is an arithmetic number, because the mean of its divisors is an integer number (5018790796).

Almost surely, 2^20070763879 is an apocalyptic number.

20070763879 is a deficient number, since it is larger than the sum of its proper divisors (4399305).

20070763879 is an equidigital number, since it uses as much as digits as its factorization.

20070763879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399304.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 20070763879 in words is "twenty billion, seventy million, seven hundred sixty-three thousand, eight hundred seventy-nine".