78675374734 has 32 divisors (see below), whose sum is σ = 133314066432. Its totient is φ = 34498668000.

The previous prime is 78675374719. The next prime is 78675374737. The reversal of 78675374734 is 43747357687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78675374737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34239 + ... + 398149.

It is an arithmetic number, because the mean of its divisors is an integer number (4166064576).

Almost surely, 2^78675374734 is an apocalyptic number.

78675374734 is a deficient number, since it is larger than the sum of its proper divisors (54638691698).

78675374734 is a wasteful number, since it uses less digits than its factorization.

78675374734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364272.

The product of its digits is 82978560, while the sum is 61.

The spelling of 78675374734 in words is "seventy-eight billion, six hundred seventy-five million, three hundred seventy-four thousand, seven hundred thirty-four".