85767617703551 has 16 divisors (see below), whose sum is σ = 98462584012800. Its totient is φ = 73183283172288.

The previous prime is 85767617703487. The next prime is 85767617703557. The reversal of 85767617703551 is 15530771676758.

It is a cyclic number.

It is not a de Polignac number, because 85767617703551 - 2⁶ = 85767617703487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85767617703557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53420930 + ... + 55003008.

It is an arithmetic number, because the mean of its divisors is an integer number (6153911500800).

Almost surely, 2^{85767617703551} is an apocalyptic number.

85767617703551 is a deficient number, since it is larger than the sum of its proper divisors (12694966309249).

85767617703551 is a wasteful number, since it uses less digits than its factorization.

85767617703551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617038.

The product of its (nonzero) digits is 259308000, while the sum is 68.

The spelling of 85767617703551 in words is "eighty-five trillion, seven hundred sixty-seven billion, six hundred seventeen million, seven hundred three thousand, five hundred fifty-one".