869420777274 has 96 divisors (see below), whose sum is σ = 2162173837824. Its totient is φ = 247332627360.

The previous prime is 869420777273. The next prime is 869420777321. The reversal of 869420777274 is 472777024968.

869420777274 is a `hidden beast` number, since 8 + 6 + 9 + 420 + 77 + 72 + 74 = 666.

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 (869420777273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27390777 + ... + 27422499.

It is an arithmetic number, because the mean of its divisors is an integer number (22522644144).

Almost surely, 2^869420777274 is an apocalyptic number.

869420777274 is an abundant number, since it is smaller than the sum of its proper divisors (1292753060550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869420777274 is a wasteful number, since it uses less digits than its factorization.

869420777274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32672 (or 32669 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 63.

The spelling of 869420777274 in words is "eight hundred sixty-nine billion, four hundred twenty million, seven hundred seventy-seven thousand, two hundred seventy-four".