78011092 has 12 divisors (see below), whose sum is σ = 136592820. Its totient is φ = 38984576.

The previous prime is 78011083. The next prime is 78011099. The reversal of 78011092 is 29011087.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 43507216 = 5874^2 + 6596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 78011092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78011099) 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 3 ways as a sum of consecutive naturals, for example, 5634 + ... + 13702.

It is an arithmetic number, because the mean of its divisors is an integer number (11382735).

Almost surely, 2^78011092 is an apocalyptic number.

It is an amenable number.

78011092 is a deficient number, since it is larger than the sum of its proper divisors (58581728).

78011092 is a wasteful number, since it uses less digits than its factorization.

78011092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490 (or 10488 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 78011092 is about 8832.3888048478. The cubic root of 78011092 is about 427.2861203424.

The spelling of 78011092 in words is "seventy-eight million, eleven thousand, ninety-two".