977142503733442 has 16 divisors (see below), whose sum is σ = 1466529293124000. Its totient is φ = 488299408309440.

The previous prime is 977142503733421. The next prime is 977142503733443. The reversal of 977142503733442 is 244337305241779.

It is not an unprimeable number, because it can be changed into a prime (977142503733443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213289809 + ... + 1214094907.

It is an arithmetic number, because the mean of its divisors is an integer number (91658080820250).

Almost surely, 2^{977142503733442} is an apocalyptic number.

977142503733442 is a deficient number, since it is larger than the sum of its proper divisors (489386789390558).

977142503733442 is a wasteful number, since it uses less digits than its factorization.

977142503733442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142001.

The product of its (nonzero) digits is 106686720, while the sum is 61.

The spelling of 977142503733442 in words is "nine hundred seventy-seven trillion, one hundred forty-two billion, five hundred three million, seven hundred thirty-three thousand, four hundred forty-two".