610971977 has 16 divisors (see below), whose sum is σ = 794852352. Its totient is φ = 455381520.

The previous prime is 610971947. The next prime is 610971979. The reversal of 610971977 is 779179016.

It is not a de Polignac number, because 610971977 - 2¹⁴ = 610955593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (610971979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170723 + ... + 174264.

It is an arithmetic number, because the mean of its divisors is an integer number (49678272).

Almost surely, 2^610971977 is an apocalyptic number.

It is an amenable number.

610971977 is a deficient number, since it is larger than the sum of its proper divisors (183880375).

610971977 is a wasteful number, since it uses less digits than its factorization.

610971977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345028.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 610971977 is about 24717.8473375009. The cubic root of 610971977 is about 848.5428214544.

The spelling of 610971977 in words is "six hundred ten million, nine hundred seventy-one thousand, nine hundred seventy-seven".