977012347 has 4 divisors (see below), whose sum is σ = 977610816. Its totient is φ = 976413880.

The previous prime is 977012341. The next prime is 977012381. The reversal of 977012347 is 743210779.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 977012347 - 2¹¹ = 977010299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977012341) 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, 296779 + ... + 300052.

It is an arithmetic number, because the mean of its divisors is an integer number (244402704).

Almost surely, 2^977012347 is an apocalyptic number.

977012347 is a deficient number, since it is larger than the sum of its proper divisors (598469).

977012347 is a wasteful number, since it uses less digits than its factorization.

977012347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598468.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 977012347 is about 31257.1967233148. The cubic root of 977012347 is about 992.2779727831.

The spelling of 977012347 in words is "nine hundred seventy-seven million, twelve thousand, three hundred forty-seven".