78296456401 has 4 divisors (see below), whose sum is σ = 78859740400. Its totient is φ = 77733172404.

The previous prime is 78296456341. The next prime is 78296456423. The reversal of 78296456401 is 10465469287.

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 a de Polignac number, because none of the positive numbers 2^k-78296456401 is a prime.

It is a super-2 number, since 2×78296456401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78296456471) 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, 281641791 + ... + 281642068.

It is an arithmetic number, because the mean of its divisors is an integer number (19714935100).

Almost surely, 2^78296456401 is an apocalyptic number.

It is an amenable number.

78296456401 is a deficient number, since it is larger than the sum of its proper divisors (563283999).

78296456401 is a wasteful number, since it uses less digits than its factorization.

78296456401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563283998.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 78296456401 in words is "seventy-eight billion, two hundred ninety-six million, four hundred fifty-six thousand, four hundred one".