78488746001 has 4 divisors (see below), whose sum is σ = 78628158192. Its totient is φ = 78349333812.

The previous prime is 78488745977. The next prime is 78488746009. The reversal of 78488746001 is 10064788487.

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.

It is a cyclic number.

It is not a de Polignac number, because 78488746001 - 2¹⁰ = 78488744977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78488746009) 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, 69705251 + ... + 69706376.

It is an arithmetic number, because the mean of its divisors is an integer number (19657039548).

Almost surely, 2^78488746001 is an apocalyptic number.

It is an amenable number.

78488746001 is a deficient number, since it is larger than the sum of its proper divisors (139412191).

78488746001 is a wasteful number, since it uses less digits than its factorization.

78488746001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139412190.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 78488746001 in words is "seventy-eight billion, four hundred eighty-eight million, seven hundred forty-six thousand, one".