78041355 has 16 divisors (see below), whose sum is σ = 142704384. Its totient is φ = 35676000.

The previous prime is 78041351. The next prime is 78041357. The reversal of 78041355 is 55314087.

It is not a de Polignac number, because 78041355 - 2² = 78041351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78041351) 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, 371521 + ... + 371730.

It is an arithmetic number, because the mean of its divisors is an integer number (8919024).

Almost surely, 2^78041355 is an apocalyptic number.

78041355 is a deficient number, since it is larger than the sum of its proper divisors (64663029).

78041355 is a wasteful number, since it uses less digits than its factorization.

78041355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743266.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 78041355 is about 8834.1018219172. The cubic root of 78041355 is about 427.3413658541.

The spelling of 78041355 in words is "seventy-eight million, forty-one thousand, three hundred fifty-five".