30853977 has 24 divisors (see below), whose sum is σ = 52208352. Its totient is φ = 16027200.

The previous prime is 30853957. The next prime is 30853987. The reversal of 30853977 is 77935803.

It is not a de Polignac number, because 30853977 - 2⁶ = 30853913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30853937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7924 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (2175348).

Almost surely, 2^30853977 is an apocalyptic number.

It is an amenable number.

30853977 is a deficient number, since it is larger than the sum of its proper divisors (21354375).

30853977 is a wasteful number, since it uses less digits than its factorization.

30853977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19109 (or 19102 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 30853977 is about 5554.6356316144. The cubic root of 30853977 is about 313.6440480751.

It can be divided in two parts, 308 and 53977, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 30853977 in words is "thirty million, eight hundred fifty-three thousand, nine hundred seventy-seven".