77212560134 has 16 divisors (see below), whose sum is σ = 125622732816. Its totient is φ = 35449094400.

The previous prime is 77212560043. The next prime is 77212560179. The reversal of 77212560134 is 43106521277.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27693212 + ... + 27695999.

It is an arithmetic number, because the mean of its divisors is an integer number (7851420801).

Almost surely, 2^77212560134 is an apocalyptic number.

77212560134 is a deficient number, since it is larger than the sum of its proper divisors (48410172682).

77212560134 is a wasteful number, since it uses less digits than its factorization.

77212560134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55389271.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 77212560134 in words is "seventy-seven billion, two hundred twelve million, five hundred sixty thousand, one hundred thirty-four".