78347722302 has 12 divisors (see below), whose sum is σ = 169753398360. Its totient is φ = 26115907428.

The previous prime is 78347722247. The next prime is 78347722357. The reversal of 78347722302 is 20322774387.

78347722302 is a `hidden beast` number, since 7 + 8 + 347 + 72 + 230 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (78347722247) and next prime (78347722357).

It is a super-2 number, since 2×78347722302² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2176325602 + ... + 2176325637.

It is an arithmetic number, because the mean of its divisors is an integer number (14146116530).

Almost surely, 2^78347722302 is an apocalyptic number.

78347722302 is an abundant number, since it is smaller than the sum of its proper divisors (91405676058).

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

78347722302 is a wasteful number, since it uses less digits than its factorization.

78347722302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352651247 (or 4352651244 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 78347722302 in words is "seventy-eight billion, three hundred forty-seven million, seven hundred twenty-two thousand, three hundred two".