70408556287 has 4 divisors (see below), whose sum is σ = 70962954496. Its totient is φ = 69854158080.

The previous prime is 70408556263. The next prime is 70408556303. The reversal of 70408556287 is 78265580407.

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

It is a cyclic number.

It is not a de Polignac number, because 70408556287 - 2³⁵ = 36048817919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70408556227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277198914 + ... + 277199167.

It is an arithmetic number, because the mean of its divisors is an integer number (17740738624).

Almost surely, 2^70408556287 is an apocalyptic number.

70408556287 is a deficient number, since it is larger than the sum of its proper divisors (554398209).

70408556287 is a wasteful number, since it uses less digits than its factorization.

70408556287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554398208.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 70408556287 in words is "seventy billion, four hundred eight million, five hundred fifty-six thousand, two hundred eighty-seven".