959779763813 has 8 divisors (see below), whose sum is σ = 1033665809400. Its totient is φ = 885901837248.

The previous prime is 959779763807. The next prime is 959779763819. The reversal of 959779763813 is 318367977959.

It is an interprime number because it is at equal distance from previous prime (959779763807) and next prime (959779763819).

It can be written as a sum of positive squares in 4 ways, for example, as 137598709249 + 822181054564 = 370943^2 + 906742^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 959779763813 - 2⁶ = 959779763749 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 (959779763819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783118 + ... + 2258111.

It is an arithmetic number, because the mean of its divisors is an integer number (129208226175).

Almost surely, 2^959779763813 is an apocalyptic number.

It is an amenable number.

959779763813 is a deficient number, since it is larger than the sum of its proper divisors (73886045587).

959779763813 is a wasteful number, since it uses less digits than its factorization.

959779763813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059511.

The product of its digits is 540101520, while the sum is 74.

The spelling of 959779763813 in words is "nine hundred fifty-nine billion, seven hundred seventy-nine million, seven hundred sixty-three thousand, eight hundred thirteen".