77137134531022 has 4 divisors (see below), whose sum is σ = 115705701796536. Its totient is φ = 38568567265510.

The previous prime is 77137134531019. The next prime is 77137134531029. The reversal of 77137134531022 is 22013543173177.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77137134531029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19284283632754 + ... + 19284283632757.

It is an arithmetic number, because the mean of its divisors is an integer number (28926425449134).

Almost surely, 2^{77137134531022} is an apocalyptic number.

77137134531022 is a deficient number, since it is larger than the sum of its proper divisors (38568567265514).

77137134531022 is a wasteful number, since it uses less digits than its factorization.

77137134531022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38568567265513.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 77137134531022 in words is "seventy-seven trillion, one hundred thirty-seven billion, one hundred thirty-four million, five hundred thirty-one thousand, twenty-two".