70085021097 has 96 divisors (see below), whose sum is σ = 119266194432. Its totient is φ = 36277186176.

The previous prime is 70085021093. The next prime is 70085021129. The reversal of 70085021097 is 79012058007.

It is not a de Polignac number, because 70085021097 - 2² = 70085021093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (70085021093) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39306468 + ... + 39308250.

It is an arithmetic number, because the mean of its divisors is an integer number (1242356192).

Almost surely, 2^70085021097 is an apocalyptic number.

It is an amenable number.

70085021097 is a deficient number, since it is larger than the sum of its proper divisors (49181173335).

70085021097 is a wasteful number, since it uses less digits than its factorization.

70085021097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 70085021097 in words is "seventy billion, eighty-five million, twenty-one thousand, ninety-seven".