970881861 has 8 divisors (see below), whose sum is σ = 1295418240. Its totient is φ = 646800032.

The previous prime is 970881767. The next prime is 970881869. The reversal of 970881861 is 168188079.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 970881861 - 2¹³ = 970873669 is a prime.

It is a super-2 number, since 2×970881861² = 1885223176037646642, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 970881861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970881869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108621 + ... + 117218.

It is an arithmetic number, because the mean of its divisors is an integer number (161927280).

Almost surely, 2^970881861 is an apocalyptic number.

It is an amenable number.

970881861 is a deficient number, since it is larger than the sum of its proper divisors (324536379).

970881861 is a wasteful number, since it uses less digits than its factorization.

970881861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227275.

The product of its (nonzero) digits is 193536, while the sum is 48.

The square root of 970881861 is about 31158.9772136378. The cubic root of 970881861 is about 990.1981921335.

The spelling of 970881861 in words is "nine hundred seventy million, eight hundred eighty-one thousand, eight hundred sixty-one".