78496297 has 4 divisors (see below), whose sum is σ = 85632336. Its totient is φ = 71360260.

The previous prime is 78496283. The next prime is 78496307. The reversal of 78496297 is 79269487.

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 78496297 - 2⁷ = 78496169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78496207) 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, 3568003 + ... + 3568024.

It is an arithmetic number, because the mean of its divisors is an integer number (21408084).

Almost surely, 2^78496297 is an apocalyptic number.

It is an amenable number.

78496297 is a deficient number, since it is larger than the sum of its proper divisors (7136039).

78496297 is a wasteful number, since it uses less digits than its factorization.

78496297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136038.

The product of its digits is 1524096, while the sum is 52.

The square root of 78496297 is about 8859.8135984907. The cubic root of 78496297 is about 428.1701528167.

The spelling of 78496297 in words is "seventy-eight million, four hundred ninety-six thousand, two hundred ninety-seven".