78152027016513 has 16 divisors (see below), whose sum is σ = 104424281341952. Its totient is φ = 51990630354000.

The previous prime is 78152027016509. The next prime is 78152027016521. The reversal of 78152027016513 is 31561072025187.

It is not a de Polignac number, because 78152027016513 - 2² = 78152027016509 is a prime.

It is a super-2 number, since 2×78152027016513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78152027016533) 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, 3964993 + ... + 13115838.

It is an arithmetic number, because the mean of its divisors is an integer number (6526517583872).

Almost surely, 2^{78152027016513} is an apocalyptic number.

It is an amenable number.

78152027016513 is a deficient number, since it is larger than the sum of its proper divisors (26272254325439).

78152027016513 is a wasteful number, since it uses less digits than its factorization.

78152027016513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084076.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 78152027016513 in words is "seventy-eight trillion, one hundred fifty-two billion, twenty-seven million, sixteen thousand, five hundred thirteen".