78854097 has 16 divisors (see below), whose sum is σ = 125383680. Its totient is φ = 43100112.

The previous prime is 78854071. The next prime is 78854117. The reversal of 78854097 is 79045887.

It is not a de Polignac number, because 78854097 - 2¹⁶ = 78788561 is a prime.

It is a super-2 number, since 2×78854097² = 12435937227370818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78852097) 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, 81147 + ... + 82112.

It is an arithmetic number, because the mean of its divisors is an integer number (7836480).

Almost surely, 2^78854097 is an apocalyptic number.

It is an amenable number.

78854097 is a deficient number, since it is larger than the sum of its proper divisors (46529583).

78854097 is a wasteful number, since it uses less digits than its factorization.

78854097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163292.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 78854097 is about 8879.9829391728. The cubic root of 78854097 is about 428.8197252780.

The spelling of 78854097 in words is "seventy-eight million, eight hundred fifty-four thousand, ninety-seven".