100277972 has 24 divisors (see below), whose sum is σ = 186090240. Its totient is φ = 47148480.

The previous prime is 100277927. The next prime is 100277981. The reversal of 100277972 is 279772001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (7753760).

Almost surely, 2^100277972 is an apocalyptic number.

It is an amenable number.

100277972 is a deficient number, since it is larger than the sum of its proper divisors (85812268).

100277972 is a wasteful number, since it uses less digits than its factorization.

100277972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791 (or 9789 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 100277972 is about 10013.8889548467. Note that the first 3 decimals coincide. The cubic root of 100277972 is about 464.5885627212.

The spelling of 100277972 in words is "one hundred million, two hundred seventy-seven thousand, nine hundred seventy-two".