78667155551467 has 8 divisors (see below), whose sum is σ = 90331412198912. Its totient is φ = 67109421796200.

The previous prime is 78667155551429. The next prime is 78667155551477. The reversal of 78667155551467 is 76415555176687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-78667155551467 is a prime.

It is a super-3 number, since 3×78667155551467³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78667155551467.

It is not an unprimeable number, because it can be changed into a prime (78667155551477) 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, 26630721459 + ... + 26630724412.

It is an arithmetic number, because the mean of its divisors is an integer number (11291426524864).

Almost surely, 2^{78667155551467} is an apocalyptic number.

78667155551467 is a deficient number, since it is larger than the sum of its proper divisors (11664256647445).

78667155551467 is a wasteful number, since it uses less digits than its factorization.

78667155551467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53261446089.

The product of its digits is 1481760000, while the sum is 73.

The spelling of 78667155551467 in words is "seventy-eight trillion, six hundred sixty-seven billion, one hundred fifty-five million, five hundred fifty-one thousand, four hundred sixty-seven".