78300005455361 has 16 divisors (see below), whose sum is σ = 81220393622016. Its totient is φ = 75429641943936.

The previous prime is 78300005455351. The next prime is 78300005455387. The reversal of 78300005455361 is 16355450000387.

It is a cyclic number.

It is not a de Polignac number, because 78300005455361 - 2⁴² = 73901958944257 is a prime.

It is a super-2 number, since 2×78300005455361² (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 (78300005455351) 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, 144541136 + ... + 145081838.

It is an arithmetic number, because the mean of its divisors is an integer number (5076274601376).

Almost surely, 2^{78300005455361} is an apocalyptic number.

It is an amenable number.

78300005455361 is a deficient number, since it is larger than the sum of its proper divisors (2920388166655).

78300005455361 is a wasteful number, since it uses less digits than its factorization.

78300005455361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586952.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 78300005455361 in words is "seventy-eight trillion, three hundred billion, five million, four hundred fifty-five thousand, three hundred sixty-one".