77250716662 has 48 divisors (see below), whose sum is σ = 139378406400. Its totient is φ = 31985226000.

The previous prime is 77250716611. The next prime is 77250716663. The reversal of 77250716662 is 26661705277.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77250716663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1798537 + ... + 1840987.

It is an arithmetic number, because the mean of its divisors is an integer number (2903716800).

Almost surely, 2^77250716662 is an apocalyptic number.

77250716662 is a deficient number, since it is larger than the sum of its proper divisors (62127689738).

77250716662 is a wasteful number, since it uses less digits than its factorization.

77250716662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43097 (or 43090 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 77250716662 in words is "seventy-seven billion, two hundred fifty million, seven hundred sixteen thousand, six hundred sixty-two".