841420477 has 4 divisors (see below), whose sum is σ = 878004000. Its totient is φ = 804836956.

The previous prime is 841420451. The next prime is 841420483. The reversal of 841420477 is 774024148.

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 841420477 - 2¹¹ = 841418429 is a prime.

It is a super-2 number, since 2×841420477² = 1415976838229815058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841420277) 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, 18291727 + ... + 18291772.

It is an arithmetic number, because the mean of its divisors is an integer number (219501000).

Almost surely, 2^841420477 is an apocalyptic number.

It is an amenable number.

841420477 is a deficient number, since it is larger than the sum of its proper divisors (36583523).

841420477 is a wasteful number, since it uses less digits than its factorization.

841420477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36583522.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 841420477 is about 29007.2486975239. The cubic root of 841420477 is about 944.0703517694.

The spelling of 841420477 in words is "eight hundred forty-one million, four hundred twenty thousand, four hundred seventy-seven".