78081354 has 32 divisors (see below), whose sum is σ = 186863040. Its totient is φ = 24024816.

The previous prime is 78081347. The next prime is 78081361. The reversal of 78081354 is 45318087.

It is an interprime number because it is at equal distance from previous prime (78081347) and next prime (78081361).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54912 + ... + 56315.

It is an arithmetic number, because the mean of its divisors is an integer number (5839470).

Almost surely, 2^78081354 is an apocalyptic number.

78081354 is an abundant number, since it is smaller than the sum of its proper divisors (108781686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78081354 is a wasteful number, since it uses less digits than its factorization.

78081354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111251 (or 111245 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 78081354 is about 8836.3654292927. The cubic root of 78081354 is about 427.4143626553.

The spelling of 78081354 in words is "seventy-eight million, eighty-one thousand, three hundred fifty-four".