977671473 has 4 divisors (see below), whose sum is σ = 1303561968. Its totient is φ = 651780980.

The previous prime is 977671451. The next prime is 977671537. The reversal of 977671473 is 374176779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374176779 = 3 ⋅124725593.

It is a cyclic number.

It is not a de Polignac number, because 977671473 - 2⁵ = 977671441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (977671423) 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 3 ways as a sum of consecutive naturals, for example, 162945243 + ... + 162945248.

It is an arithmetic number, because the mean of its divisors is an integer number (325890492).

Almost surely, 2^977671473 is an apocalyptic number.

It is an amenable number.

977671473 is a deficient number, since it is larger than the sum of its proper divisors (325890495).

977671473 is a wasteful number, since it uses less digits than its factorization.

977671473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325890494.

The product of its digits is 1555848, while the sum is 51.

The square root of 977671473 is about 31267.7385335109. The cubic root of 977671473 is about 992.5010641936.

The spelling of 977671473 in words is "nine hundred seventy-seven million, six hundred seventy-one thousand, four hundred seventy-three".