870622692 has 12 divisors (see below), whose sum is σ = 2031452976. Its totient is φ = 290207560.

The previous prime is 870622651. The next prime is 870622699. The reversal of 870622692 is 296226078.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (870622699) 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, 36275934 + ... + 36275957.

It is an arithmetic number, because the mean of its divisors is an integer number (169287748).

Almost surely, 2^870622692 is an apocalyptic number.

It is an amenable number.

870622692 is an abundant number, since it is smaller than the sum of its proper divisors (1160830284).

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

870622692 is a wasteful number, since it uses less digits than its factorization.

870622692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72551898 (or 72551896 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 870622692 is about 29506.3161373968. The cubic root of 870622692 is about 954.8679740369.

The spelling of 870622692 in words is "eight hundred seventy million, six hundred twenty-two thousand, six hundred ninety-two".