977027807748084 has 12 divisors (see below), whose sum is σ = 2279731551412224. Its totient is φ = 325675935916024.

The previous prime is 977027807747983. The next prime is 977027807748169. The reversal of 977027807748084 is 480847708720779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×977027807748084² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40709491989492 + ... + 40709491989515.

It is an arithmetic number, because the mean of its divisors is an integer number (189977629284352).

Almost surely, 2^{977027807748084} is an apocalyptic number.

It is an amenable number.

977027807748084 is an abundant number, since it is smaller than the sum of its proper divisors (1302703743664140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977027807748084 is a wasteful number, since it uses less digits than its factorization.

977027807748084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81418983979014 (or 81418983979012 counting only the distinct ones).

The product of its (nonzero) digits is 2478292992, while the sum is 78.

The spelling of 977027807748084 in words is "nine hundred seventy-seven trillion, twenty-seven billion, eight hundred seven million, seven hundred forty-eight thousand, eighty-four".