78970363 has 4 divisors (see below), whose sum is σ = 79102800. Its totient is φ = 78837928.

The previous prime is 78970351. The next prime is 78970369. The reversal of 78970363 is 36307987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78970363 - 2¹⁷ = 78839291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78970369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65320 + ... + 66517.

It is an arithmetic number, because the mean of its divisors is an integer number (19775700).

Almost surely, 2^78970363 is an apocalyptic number.

78970363 is a deficient number, since it is larger than the sum of its proper divisors (132437).

78970363 is a wasteful number, since it uses less digits than its factorization.

78970363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132436.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 78970363 is about 8886.5270494159. The cubic root of 78970363 is about 429.0303787602.

The spelling of 78970363 in words is "seventy-eight million, nine hundred seventy thousand, three hundred sixty-three".