870268061 has 4 divisors (see below), whose sum is σ = 937211772. Its totient is φ = 803324352.

The previous prime is 870268057. The next prime is 870268079. The reversal of 870268061 is 160862078.

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 571496836 + 298771225 = 23906^2 + 17285^2 .

It is a cyclic number.

It is not a de Polignac number, because 870268061 - 2² = 870268057 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 (870268051) 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, 33471836 + ... + 33471861.

It is an arithmetic number, because the mean of its divisors is an integer number (234302943).

Almost surely, 2^870268061 is an apocalyptic number.

It is an amenable number.

870268061 is a deficient number, since it is larger than the sum of its proper divisors (66943711).

870268061 is a wasteful number, since it uses less digits than its factorization.

870268061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66943710.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 870268061 is about 29500.3061170558. The cubic root of 870268061 is about 954.7383075443.

The spelling of 870268061 in words is "eight hundred seventy million, two hundred sixty-eight thousand, sixty-one".