78758097 has 32 divisors (see below), whose sum is σ = 122688000. Its totient is φ = 44432640.

The previous prime is 78758081. The next prime is 78758101. The reversal of 78758097 is 79085787.

It is not a de Polignac number, because 78758097 - 2⁴ = 78758081 is a prime.

It is a super-2 number, since 2×78758097² = 12405675686122818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78758597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35929 + ... + 38057.

It is an arithmetic number, because the mean of its divisors is an integer number (3834000).

Almost surely, 2^78758097 is an apocalyptic number.

It is an amenable number.

78758097 is a deficient number, since it is larger than the sum of its proper divisors (43929903).

78758097 is a wasteful number, since it uses less digits than its factorization.

78758097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 987840, while the sum is 51.

The square root of 78758097 is about 8874.5758771899. The cubic root of 78758097 is about 428.6456340874.

The spelling of 78758097 in words is "seventy-eight million, seven hundred fifty-eight thousand, ninety-seven".