7779942352 has 40 divisors (see below), whose sum is σ = 18552173696. Its totient is φ = 3077778816.

The previous prime is 7779942337. The next prime is 7779942353. The reversal of 7779942352 is 2532499777.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7779942293 and 7779942302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7779942353) 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, 2670228 + ... + 2673139.

Almost surely, 2^7779942352 is an apocalyptic number.

It is an amenable number.

7779942352 is an abundant number, since it is smaller than the sum of its proper divisors (10772231344).

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

7779942352 is a wasteful number, since it uses less digits than its factorization.

7779942352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343395 (or 5343389 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 55.

The square root of 7779942352 is about 88203.9814974358. The cubic root of 7779942352 is about 1981.4911014001.

It can be divided in two parts, 7779 and 942352, that added together give a triangular number (950131 = T₁₃₇₈).

The spelling of 7779942352 in words is "seven billion, seven hundred seventy-nine million, nine hundred forty-two thousand, three hundred fifty-two".