70893012878 has 4 divisors (see below), whose sum is σ = 106339519320. Its totient is φ = 35446506438.

The previous prime is 70893012877. The next prime is 70893012913. The reversal of 70893012878 is 87821039807.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70893012871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17723253218 + ... + 17723253221.

It is an arithmetic number, because the mean of its divisors is an integer number (26584879830).

Almost surely, 2^70893012878 is an apocalyptic number.

70893012878 is a deficient number, since it is larger than the sum of its proper divisors (35446506442).

70893012878 is a wasteful number, since it uses less digits than its factorization.

70893012878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35446506441.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 70893012878 in words is "seventy billion, eight hundred ninety-three million, twelve thousand, eight hundred seventy-eight".