77233116060261 has 48 divisors (see below), whose sum is σ = 135575079778944. Its totient is φ = 41358866936832.

The previous prime is 77233116060229. The next prime is 77233116060277. The reversal of 77233116060261 is 16206061133277.

77233116060261 is a `hidden beast` number, since 7 + 7 + 2 + 3 + 3 + 11 + 606 + 0 + 26 + 1 = 666.

It is not a de Polignac number, because 77233116060261 - 2⁵ = 77233116060229 is a prime.

It is a super-2 number, since 2×77233116060261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77233116040261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154499571 + ... + 154998656.

It is an arithmetic number, because the mean of its divisors is an integer number (2824480828728).

Almost surely, 2^{77233116060261} is an apocalyptic number.

It is an amenable number.

77233116060261 is a deficient number, since it is larger than the sum of its proper divisors (58341963718683).

77233116060261 is a wasteful number, since it uses less digits than its factorization.

77233116060261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309498490 (or 309498487 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 77233116060261 in words is "seventy-seven trillion, two hundred thirty-three billion, one hundred sixteen million, sixty thousand, two hundred sixty-one".