70278377994 has 48 divisors (see below), whose sum is σ = 166162523904. Its totient is φ = 21290068800.

The previous prime is 70278377987. The next prime is 70278377999. The reversal of 70278377994 is 49977387207.

It is not an unprimeable number, because it can be changed into a prime (70278377999) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 628039 + ... + 731429.

It is an arithmetic number, because the mean of its divisors is an integer number (3461719248).

Almost surely, 2^70278377994 is an apocalyptic number.

70278377994 is an abundant number, since it is smaller than the sum of its proper divisors (95884145910).

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

70278377994 is a wasteful number, since it uses less digits than its factorization.

70278377994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106843 (or 106840 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 70278377994 in words is "seventy billion, two hundred seventy-eight million, three hundred seventy-seven thousand, nine hundred ninety-four".