427002286861 has 4 divisors (see below), whose sum is σ = 428883354432. Its totient is φ = 425121219292.

The previous prime is 427002286847. The next prime is 427002286897. The reversal of 427002286861 is 168682200724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427002286861 - 2¹³ = 427002278669 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 (427002286801) 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, 940533445 + ... + 940533898.

It is an arithmetic number, because the mean of its divisors is an integer number (107220838608).

Almost surely, 2^427002286861 is an apocalyptic number.

It is an amenable number.

427002286861 is a deficient number, since it is larger than the sum of its proper divisors (1881067571).

427002286861 is a wasteful number, since it uses less digits than its factorization.

427002286861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881067570.

The product of its (nonzero) digits is 516096, while the sum is 46.

It can be divided in two parts, 42700 and 2286861, that added together give a triangular number (2329561 = T₂₁₅₈).

The spelling of 427002286861 in words is "four hundred twenty-seven billion, two million, two hundred eighty-six thousand, eight hundred sixty-one".