872977102 has 4 divisors (see below), whose sum is σ = 1309465656. Its totient is φ = 436488550.

The previous prime is 872977003. The next prime is 872977109. The reversal of 872977102 is 201779278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872977109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218244274 + ... + 218244277.

It is an arithmetic number, because the mean of its divisors is an integer number (327366414).

Almost surely, 2^872977102 is an apocalyptic number.

872977102 is a deficient number, since it is larger than the sum of its proper divisors (436488554).

872977102 is a wasteful number, since it uses less digits than its factorization.

872977102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436488553.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 872977102 is about 29546.1859129059. The cubic root of 872977102 is about 955.7279436584.

The spelling of 872977102 in words is "eight hundred seventy-two million, nine hundred seventy-seven thousand, one hundred two".