2870655878601 has 27 divisors (see below), whose sum is σ = 4823542792263. Its totient is φ = 1640354456160.

The previous prime is 2870655878567. The next prime is 2870655878603. The reversal of 2870655878601 is 1068785560782.

The square root of 2870655878601 is 1694301.

It is a perfect power (a square), and thus also a powerful number.

2870655878601 is a `hidden beast` number, since 2 + 8 + 7 + 0 + 6 + 558 + 78 + 6 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2867098949001 + 3556929600 = 1693251^2 + 59640^2 .

It is not a de Polignac number, because 2870655878601 - 2¹³ = 2870655870409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2870655878603) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35539981 + ... + 35620661.

Almost surely, 2^{2870655878601} is an apocalyptic number.

2870655878601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2870655878601 is the 1694301-st square number.

2870655878601 is the 847151-st centered octagonal number.

It is an amenable number.

2870655878601 is a deficient number, since it is larger than the sum of its proper divisors (1952886913662).

2870655878601 is an frugal number, since it uses more digits than its factorization.

2870655878601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161382 (or 80691 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 2870655878601 in words is "two trillion, eight hundred seventy billion, six hundred fifty-five million, eight hundred seventy-eight thousand, six hundred one".