78786097 has 16 divisors (see below), whose sum is σ = 88284672. Its totient is φ = 69816960.

The previous prime is 78786089. The next prime is 78786107. The reversal of 78786097 is 79068787.

It is a happy number.

It is not a de Polignac number, because 78786097 - 2³ = 78786089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78786047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54498 + ... + 55924.

It is an arithmetic number, because the mean of its divisors is an integer number (5517792).

Almost surely, 2^78786097 is an apocalyptic number.

It is an amenable number.

78786097 is a deficient number, since it is larger than the sum of its proper divisors (9498575).

78786097 is a wasteful number, since it uses less digits than its factorization.

78786097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The square root of 78786097 is about 8876.1532771804. The cubic root of 78786097 is about 428.6964252914.

The spelling of 78786097 in words is "seventy-eight million, seven hundred eighty-six thousand, ninety-seven".