70570780650 has 36 divisors (see below), whose sum is σ = 189600165222. Its totient is φ = 18818874720.

The previous prime is 70570780649. The next prime is 70570780697. The reversal of 70570780650 is 5608707507.

70570780650 is a `hidden beast` number, since 7 + 0 + 570 + 78 + 0 + 6 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 68621469849 + 1949310801 = 261957^2 + 44151^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 70570780596 and 70570780605.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 78411529 + ... + 78412428.

Almost surely, 2^70570780650 is an apocalyptic number.

70570780650 is an abundant number, since it is smaller than the sum of its proper divisors (119029384572).

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

70570780650 is a wasteful number, since it uses less digits than its factorization.

70570780650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156823975 (or 156823967 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 70570780650 in words is "seventy billion, five hundred seventy million, seven hundred eighty thousand, six hundred fifty".