1977008334 has 32 divisors (see below), whose sum is σ = 4623970560. Its totient is φ = 551722752.

The previous prime is 1977008323. The next prime is 1977008347. The reversal of 1977008334 is 4338007791.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545539 + ... + 549150.

It is an arithmetic number, because the mean of its divisors is an integer number (144499080).

Almost surely, 2^1977008334 is an apocalyptic number.

1977008334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1977008334 is an abundant number, since it is smaller than the sum of its proper divisors (2646962226).

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

1977008334 is a wasteful number, since it uses less digits than its factorization.

1977008334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094744.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1977008334 is about 44463.5618681185. The cubic root of 1977008334 is about 1255.0744830743.

The spelling of 1977008334 in words is "one billion, nine hundred seventy-seven million, eight thousand, three hundred thirty-four".