78502070655342 has 32 divisors (see below), whose sum is σ = 182033787029760. Its totient is φ = 25029645715800.

The previous prime is 78502070655233. The next prime is 78502070655419. The reversal of 78502070655342 is 24355607020587.

78502070655342 is a `hidden beast` number, since 7 + 8 + 502 + 0 + 70 + 65 + 5 + 3 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31603086784 + ... + 31603089267.

It is an arithmetic number, because the mean of its divisors is an integer number (5688555844680).

Almost surely, 2^{78502070655342} is an apocalyptic number.

78502070655342 is an abundant number, since it is smaller than the sum of its proper divisors (103531716374418).

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

78502070655342 is a wasteful number, since it uses less digits than its factorization.

78502070655342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63206176085 (or 63206176079 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 78502070655342 in words is "seventy-eight trillion, five hundred two billion, seventy million, six hundred fifty-five thousand, three hundred forty-two".