70205290287 has 8 divisors (see below), whose sum is σ = 102116785920. Its totient is φ = 42548660760.

The previous prime is 70205290283. The next prime is 70205290289. The reversal of 70205290287 is 78209250207.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70205290287 - 2² = 70205290283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70205290283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063716487 + ... + 1063716552.

It is an arithmetic number, because the mean of its divisors is an integer number (12764598240).

Almost surely, 2^70205290287 is an apocalyptic number.

70205290287 is a deficient number, since it is larger than the sum of its proper divisors (31911495633).

70205290287 is a wasteful number, since it uses less digits than its factorization.

70205290287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127433053.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 70205290287 in words is "seventy billion, two hundred five million, two hundred ninety thousand, two hundred eighty-seven".