77082595454 has 4 divisors (see below), whose sum is σ = 115623893184. Its totient is φ = 38541297726.

The previous prime is 77082595453. The next prime is 77082595477. The reversal of 77082595454 is 45459528077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45459528077 = 86117 ⋅527881.

It is a super-2 number, since 2×77082595454² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77082595454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77082595453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19270648862 + ... + 19270648865.

It is an arithmetic number, because the mean of its divisors is an integer number (28905973296).

Almost surely, 2^77082595454 is an apocalyptic number.

77082595454 is a deficient number, since it is larger than the sum of its proper divisors (38541297730).

77082595454 is a wasteful number, since it uses less digits than its factorization.

77082595454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38541297729.

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 77082595454 in words is "seventy-seven billion, eighty-two million, five hundred ninety-five thousand, four hundred fifty-four".