78176845142 has 16 divisors (see below), whose sum is σ = 130339441872. Its totient is φ = 34864458720.

The previous prime is 78176845121. The next prime is 78176845231. The reversal of 78176845142 is 24154867187.

It is a super-3 number, since 3×78176845142³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33522353 + ... + 33524684.

It is an arithmetic number, because the mean of its divisors is an integer number (8146215117).

Almost surely, 2^78176845142 is an apocalyptic number.

78176845142 is a deficient number, since it is larger than the sum of its proper divisors (52162596730).

78176845142 is a wasteful number, since it uses less digits than its factorization.

78176845142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67047103.

The product of its digits is 3010560, while the sum is 53.

The spelling of 78176845142 in words is "seventy-eight billion, one hundred seventy-six million, eight hundred forty-five thousand, one hundred forty-two".