70212110778 has 12 divisors (see below), whose sum is σ = 152126240058. Its totient is φ = 23404036920.

The previous prime is 70212110777. The next prime is 70212110779. The reversal of 70212110778 is 87701121207.

It is an interprime number because it is at equal distance from previous prime (70212110777) and next prime (70212110779).

It can be written as a sum of positive squares in only one way, i.e., 35346632049 + 34865478729 = 188007^2 + 186723^2 .

It is not an unprimeable number, because it can be changed into a prime (70212110777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950336393 + ... + 1950336428.

Almost surely, 2^70212110778 is an apocalyptic number.

70212110778 is an abundant number, since it is smaller than the sum of its proper divisors (81914129280).

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

70212110778 is a wasteful number, since it uses less digits than its factorization.

70212110778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900672829 (or 3900672826 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

The spelling of 70212110778 in words is "seventy billion, two hundred twelve million, one hundred ten thousand, seven hundred seventy-eight".