70199532856 has 8 divisors (see below), whose sum is σ = 131624124120. Its totient is φ = 35099766424.

The previous prime is 70199532847. The next prime is 70199532859. The reversal of 70199532856 is 65823599107.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70199532797 and 70199532806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70199532859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4387470796 + ... + 4387470811.

It is an arithmetic number, because the mean of its divisors is an integer number (16453015515).

Almost surely, 2^70199532856 is an apocalyptic number.

It is an amenable number.

70199532856 is a deficient number, since it is larger than the sum of its proper divisors (61424591264).

70199532856 is a wasteful number, since it uses less digits than its factorization.

70199532856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8774941613 (or 8774941609 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 70199532856 in words is "seventy billion, one hundred ninety-nine million, five hundred thirty-two thousand, eight hundred fifty-six".