70278228758 has 4 divisors (see below), whose sum is σ = 105417343140. Its totient is φ = 35139114378.

The previous prime is 70278228731. The next prime is 70278228773. The reversal of 70278228758 is 85782287207.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17569557188 + ... + 17569557191.

It is an arithmetic number, because the mean of its divisors is an integer number (26354335785).

Almost surely, 2^70278228758 is an apocalyptic number.

70278228758 is a deficient number, since it is larger than the sum of its proper divisors (35139114382).

70278228758 is a wasteful number, since it uses less digits than its factorization.

70278228758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35139114381.

The product of its (nonzero) digits is 7024640, while the sum is 56.

The spelling of 70278228758 in words is "seventy billion, two hundred seventy-eight million, two hundred twenty-eight thousand, seven hundred fifty-eight".