78070406673 has 16 divisors (see below), whose sum is σ = 121209042816. Its totient is φ = 43769930880.

The previous prime is 78070406657. The next prime is 78070406677. The reversal of 78070406673 is 37660407087.

It is not a de Polignac number, because 78070406673 - 2⁴ = 78070406657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78070406677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35070948 + ... + 35073173.

It is an arithmetic number, because the mean of its divisors is an integer number (7575565176).

Almost surely, 2^78070406673 is an apocalyptic number.

It is an amenable number.

78070406673 is a deficient number, since it is larger than the sum of its proper divisors (43138636143).

78070406673 is a wasteful number, since it uses less digits than its factorization.

78070406673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70144184.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 78070406673 in words is "seventy-eight billion, seventy million, four hundred six thousand, six hundred seventy-three".