70988558285 has 4 divisors (see below), whose sum is σ = 85186269948. Its totient is φ = 56790846624.

The previous prime is 70988558269. The next prime is 70988558297. The reversal of 70988558285 is 58285588907.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53517270244 + 17471288041 = 231338^2 + 132179^2 .

It is a cyclic number.

It is not a de Polignac number, because 70988558285 - 2⁴ = 70988558269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7098855824 + ... + 7098855833.

It is an arithmetic number, because the mean of its divisors is an integer number (21296567487).

Almost surely, 2^70988558285 is an apocalyptic number.

It is an amenable number.

70988558285 is a deficient number, since it is larger than the sum of its proper divisors (14197711663).

70988558285 is a wasteful number, since it uses less digits than its factorization.

70988558285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14197711662.

The product of its (nonzero) digits is 64512000, while the sum is 65.

The spelling of 70988558285 in words is "seventy billion, nine hundred eighty-eight million, five hundred fifty-eight thousand, two hundred eighty-five".