78878623230134 has 16 divisors (see below), whose sum is σ = 145622073655968. Its totient is φ = 31204730068992.

The previous prime is 78878623230083. The next prime is 78878623230137. The reversal of 78878623230134 is 43103232687887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78878623230137) 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, 216699514187 + ... + 216699514550.

It is an arithmetic number, because the mean of its divisors is an integer number (9101379603498).

Almost surely, 2^{78878623230134} is an apocalyptic number.

78878623230134 is a deficient number, since it is larger than the sum of its proper divisors (66743450425834).

78878623230134 is a wasteful number, since it uses less digits than its factorization.

78878623230134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433399028759.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 78878623230134 in words is "seventy-eight trillion, eight hundred seventy-eight billion, six hundred twenty-three million, two hundred thirty thousand, one hundred thirty-four".