77162052477 has 16 divisors (see below), whose sum is σ = 106211156480. Its totient is φ = 49777459200.

The previous prime is 77162052467. The next prime is 77162052503. The reversal of 77162052477 is 77425026177.

It is not a de Polignac number, because 77162052477 - 2⁸ = 77162052221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77162052467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219149 + ... + 1280877.

It is an arithmetic number, because the mean of its divisors is an integer number (6638197280).

Almost surely, 2^77162052477 is an apocalyptic number.

It is an amenable number.

77162052477 is a deficient number, since it is larger than the sum of its proper divisors (29049104003).

77162052477 is a wasteful number, since it uses less digits than its factorization.

77162052477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75204.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 77162052477 in words is "seventy-seven billion, one hundred sixty-two million, fifty-two thousand, four hundred seventy-seven".