78353097 has 12 divisors (see below), whose sum is σ = 106226640. Its totient is φ = 51371760.

The previous prime is 78353071. The next prime is 78353117. The reversal of 78353097 is 79035387.

It is not a de Polignac number, because 78353097 - 2⁷ = 78352969 is a prime.

It is a super-2 number, since 2×78353097² = 12278415618982818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78353897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7654 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (8852220).

Almost surely, 2^78353097 is an apocalyptic number.

It is an amenable number.

78353097 is a deficient number, since it is larger than the sum of its proper divisors (27873543).

78353097 is an equidigital number, since it uses as much as digits as its factorization.

78353097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 78353097 is about 8851.7284752753. The cubic root of 78353097 is about 427.9096255015.

The spelling of 78353097 in words is "seventy-eight million, three hundred fifty-three thousand, ninety-seven".