869154066 has 24 divisors (see below), whose sum is σ = 2054364624. Its totient is φ = 263379960.

The previous prime is 869154059. The next prime is 869154089. The reversal of 869154066 is 660451968.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2194636 + ... + 2195031.

It is an arithmetic number, because the mean of its divisors is an integer number (85598526).

Almost surely, 2^869154066 is an apocalyptic number.

869154066 is an abundant number, since it is smaller than the sum of its proper divisors (1185210558).

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

869154066 is a wasteful number, since it uses less digits than its factorization.

869154066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389686 (or 4389683 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 869154066 is about 29481.4189956996. The cubic root of 869154066 is about 954.3307596158.

The spelling of 869154066 in words is "eight hundred sixty-nine million, one hundred fifty-four thousand, sixty-six".