977074902329 has 4 divisors (see below), whose sum is σ = 977532122484. Its totient is φ = 976617682176.

The previous prime is 977074902317. The next prime is 977074902343. The reversal of 977074902329 is 923209470779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923209470779 = 216571 ⋅4262849.

It can be written as a sum of positive squares in 2 ways, for example, as 263517955600 + 713556946729 = 513340^2 + 844723^2 .

It is a cyclic number.

It is not a de Polignac number, because 977074902329 - 2²⁸ = 976806466873 is a prime.

It is a super-2 number, since 2×977074902329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977074902389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228606872 + ... + 228611145.

It is an arithmetic number, because the mean of its divisors is an integer number (244383030621).

Almost surely, 2^977074902329 is an apocalyptic number.

It is an amenable number.

977074902329 is a deficient number, since it is larger than the sum of its proper divisors (457220155).

977074902329 is a wasteful number, since it uses less digits than its factorization.

977074902329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457220154.

The product of its (nonzero) digits is 12002256, while the sum is 59.

The spelling of 977074902329 in words is "nine hundred seventy-seven billion, seventy-four million, nine hundred two thousand, three hundred twenty-nine".