842377261 has 8 divisors (see below), whose sum is σ = 943794144. Its totient is φ = 745099920.

The previous prime is 842377259. The next prime is 842377307. The reversal of 842377261 is 162773248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 842377261 - 2¹ = 842377259 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 (842377241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034455 + ... + 1035268.

It is an arithmetic number, because the mean of its divisors is an integer number (117974268).

Almost surely, 2^842377261 is an apocalyptic number.

It is an amenable number.

842377261 is a deficient number, since it is larger than the sum of its proper divisors (101416883).

842377261 is a wasteful number, since it uses less digits than its factorization.

842377261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069771.

The product of its digits is 112896, while the sum is 40.

The square root of 842377261 is about 29023.7361654216. The cubic root of 842377261 is about 944.4280521410.

The spelling of 842377261 in words is "eight hundred forty-two million, three hundred seventy-seven thousand, two hundred sixty-one".