78175002516403 has 32 divisors (see below), whose sum is σ = 85294881423360. Its totient is φ = 71643773728800.

The previous prime is 78175002516389. The next prime is 78175002516419. The reversal of 78175002516403 is 30461520057187.

It is not a de Polignac number, because 78175002516403 - 2⁹ = 78175002515891 is a prime.

It is a super-2 number, since 2×78175002516403² (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 (78175002516473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604710150 + ... + 604839412.

It is an arithmetic number, because the mean of its divisors is an integer number (2665465044480).

Almost surely, 2^{78175002516403} is an apocalyptic number.

78175002516403 is a deficient number, since it is larger than the sum of its proper divisors (7119878906957).

78175002516403 is a wasteful number, since it uses less digits than its factorization.

78175002516403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131276 (or 131250 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 78175002516403 in words is "seventy-eight trillion, one hundred seventy-five billion, two million, five hundred sixteen thousand, four hundred three".