977214178742 has 8 divisors (see below), whose sum is σ = 1465825696416. Its totient is φ = 488605613272.

The previous prime is 977214178741. The next prime is 977214178789. The reversal of 977214178742 is 247871412779.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×977214178742² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977214178741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 514883 + ... + 1489809.

It is an arithmetic number, because the mean of its divisors is an integer number (183228212052).

Almost surely, 2^977214178742 is an apocalyptic number.

977214178742 is a deficient number, since it is larger than the sum of its proper divisors (488611517674).

977214178742 is a wasteful number, since it uses less digits than its factorization.

977214178742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476102.

The product of its digits is 11063808, while the sum is 59.

The spelling of 977214178742 in words is "nine hundred seventy-seven billion, two hundred fourteen million, one hundred seventy-eight thousand, seven hundred forty-two".