78432307201 has 4 divisors (see below), whose sum is σ = 79761668400. Its totient is φ = 77102946004.

The previous prime is 78432307189. The next prime is 78432307259. The reversal of 78432307201 is 10270323487.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10270323487 = 47 ⋅218517521.

It is a cyclic number.

It is not a de Polignac number, because 78432307201 - 2⁵ = 78432307169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78432307271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664680511 + ... + 664680628.

It is an arithmetic number, because the mean of its divisors is an integer number (19940417100).

Almost surely, 2^78432307201 is an apocalyptic number.

It is an amenable number.

78432307201 is a deficient number, since it is larger than the sum of its proper divisors (1329361199).

78432307201 is a wasteful number, since it uses less digits than its factorization.

78432307201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329361198.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 78432307201 in words is "seventy-eight billion, four hundred thirty-two million, three hundred seven thousand, two hundred one".