870645484860428 has 12 divisors (see below), whose sum is σ = 1524930733952472. Its totient is φ = 434950989445440.

The previous prime is 870645484860427. The next prime is 870645484860439. The reversal of 870645484860428 is 824068484546078.

It is not an unprimeable number, because it can be changed into a prime (870645484860421) 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, 92938240925 + ... + 92938250292.

It is an arithmetic number, because the mean of its divisors is an integer number (127077561162706).

Almost surely, 2^{870645484860428} is an apocalyptic number.

It is an amenable number.

870645484860428 is a deficient number, since it is larger than the sum of its proper divisors (654285249092044).

870645484860428 is a wasteful number, since it uses less digits than its factorization.

870645484860428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185876492392 (or 185876492390 counting only the distinct ones).

The product of its (nonzero) digits is 2642411520, while the sum is 74.

The spelling of 870645484860428 in words is "eight hundred seventy trillion, six hundred forty-five billion, four hundred eighty-four million, eight hundred sixty thousand, four hundred twenty-eight".