607870420891 has 4 divisors (see below), whose sum is σ = 616197413032. Its totient is φ = 599543428752.

The previous prime is 607870420867. The next prime is 607870420943. The reversal of 607870420891 is 198024078706.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 607870420891 - 2¹⁵ = 607870388123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607870424891) 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, 4163495961 + ... + 4163496106.

It is an arithmetic number, because the mean of its divisors is an integer number (154049353258).

Almost surely, 2^607870420891 is an apocalyptic number.

607870420891 is a deficient number, since it is larger than the sum of its proper divisors (8326992141).

607870420891 is an equidigital number, since it uses as much as digits as its factorization.

607870420891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326992140.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 607870420891 in words is "six hundred seven billion, eight hundred seventy million, four hundred twenty thousand, eight hundred ninety-one".