78101032778350 has 24 divisors (see below), whose sum is σ = 145268381949480. Its totient is φ = 31240313975520.

The previous prime is 78101032778233. The next prime is 78101032778381. The reversal of 78101032778350 is 5387723010187.

It is a super-2 number, since 2×78101032778350² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14600856 + ... + 19219444.

It is an arithmetic number, because the mean of its divisors is an integer number (6052849247895).

Almost surely, 2^{78101032778350} is an apocalyptic number.

78101032778350 is a deficient number, since it is larger than the sum of its proper divisors (67167349171130).

78101032778350 is a wasteful number, since it uses less digits than its factorization.

78101032778350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956804 (or 4956799 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 78101032778350 in words is "seventy-eight trillion, one hundred one billion, thirty-two million, seven hundred seventy-eight thousand, three hundred fifty".