870646577350725 has 144 divisors (see below), whose sum is σ = 1804900084715520. Its totient is φ = 392941091088000.

The previous prime is 870646577350721. The next prime is 870646577350763. The reversal of 870646577350725 is 527053775646078.

870646577350725 is a `hidden beast` number, since 8 + 7 + 0 + 6 + 46 + 5 + 7 + 73 + 507 + 2 + 5 = 666.

It is not a de Polignac number, because 870646577350725 - 2² = 870646577350721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870646577350721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1633060450 + ... + 1633593500.

It is an arithmetic number, because the mean of its divisors is an integer number (12534028366080).

Almost surely, 2^{870646577350725} is an apocalyptic number.

It is an amenable number.

870646577350725 is an abundant number, since it is smaller than the sum of its proper divisors (934253507364795).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870646577350725 is a wasteful number, since it uses less digits than its factorization.

870646577350725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546280 (or 546272 counting only the distinct ones).

The product of its (nonzero) digits is 2074464000, while the sum is 72.

The spelling of 870646577350725 in words is "eight hundred seventy trillion, six hundred forty-six billion, five hundred seventy-seven million, three hundred fifty thousand, seven hundred twenty-five".