78030085513 has 16 divisors (see below), whose sum is σ = 79402438080. Its totient is φ = 76666576896.

The previous prime is 78030085481. The next prime is 78030085537. The reversal of 78030085513 is 31558003087.

It is a cyclic number.

It is not a de Polignac number, because 78030085513 - 2⁵ = 78030085481 is a prime.

It is a super-4 number, since 4×78030085513⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78030085013) 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, 23437833 + ... + 23441161.

It is an arithmetic number, because the mean of its divisors is an integer number (4962652380).

Almost surely, 2^78030085513 is an apocalyptic number.

78030085513 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

78030085513 is a deficient number, since it is larger than the sum of its proper divisors (1372352567).

78030085513 is a wasteful number, since it uses less digits than its factorization.

78030085513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 78030085513 in words is "seventy-eight billion, thirty million, eighty-five thousand, five hundred thirteen".