70490867855 has 8 divisors (see below), whose sum is σ = 84593085264. Its totient is φ = 56389998400.

The previous prime is 70490867851. The next prime is 70490867873. The reversal of 70490867855 is 55876809407.

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 70490867855 - 2² = 70490867851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70490867794 and 70490867803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70490867851) 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, 218126 + ... + 434235.

It is an arithmetic number, because the mean of its divisors is an integer number (10574135658).

Almost surely, 2^70490867855 is an apocalyptic number.

70490867855 is a deficient number, since it is larger than the sum of its proper divisors (14102217409).

70490867855 is a wasteful number, since it uses less digits than its factorization.

70490867855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673977.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 70490867855 in words is "seventy billion, four hundred ninety million, eight hundred sixty-seven thousand, eight hundred fifty-five".