977903419481 has 4 divisors (see below), whose sum is σ = 983023332864. Its totient is φ = 972783506100.

The previous prime is 977903419477. The next prime is 977903419483. The reversal of 977903419481 is 184914309779.

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.

It is a cyclic number.

It is not a de Polignac number, because 977903419481 - 2² = 977903419477 is a prime.

It is a super-2 number, since 2×977903419481² (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 (977903419483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559956405 + ... + 2559956786.

It is an arithmetic number, because the mean of its divisors is an integer number (245755833216).

Almost surely, 2^977903419481 is an apocalyptic number.

It is an amenable number.

977903419481 is a deficient number, since it is larger than the sum of its proper divisors (5119913383).

977903419481 is a wasteful number, since it uses less digits than its factorization.

977903419481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119913382.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 977903419481 in words is "nine hundred seventy-seven billion, nine hundred three million, four hundred nineteen thousand, four hundred eighty-one".