77136574653131 has 8 divisors (see below), whose sum is σ = 89819407682784. Its totient is φ = 64869572214720.

The previous prime is 77136574653109. The next prime is 77136574653143. The reversal of 77136574653131 is 13135647563177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77136574653131 - 2¹⁴ = 77136574636747 is a prime.

It is a super-2 number, since 2×77136574653131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77136574653431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103957647410 + ... + 103957648151.

It is an arithmetic number, because the mean of its divisors is an integer number (11227425960348).

Almost surely, 2^{77136574653131} is an apocalyptic number.

77136574653131 is a deficient number, since it is larger than the sum of its proper divisors (12682833029653).

77136574653131 is a wasteful number, since it uses less digits than its factorization.

77136574653131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207915295621.

The product of its digits is 33339600, while the sum is 59.

The spelling of 77136574653131 in words is "seventy-seven trillion, one hundred thirty-six billion, five hundred seventy-four million, six hundred fifty-three thousand, one hundred thirty-one".