85925842761 has 32 divisors (see below), whose sum is σ = 130489095168. Its totient is φ = 49784581440.

The previous prime is 85925842757. The next prime is 85925842777. The reversal of 85925842761 is 16724852958.

It is not a de Polignac number, because 85925842761 - 2² = 85925842757 is a prime.

It is a super-2 number, since 2×85925842761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85925842741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386735 + ... + 1447371.

It is an arithmetic number, because the mean of its divisors is an integer number (4077784224).

Almost surely, 2^85925842761 is an apocalyptic number.

It is an amenable number.

85925842761 is a deficient number, since it is larger than the sum of its proper divisors (44563252407).

85925842761 is a wasteful number, since it uses less digits than its factorization.

85925842761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62541.

The product of its digits is 9676800, while the sum is 57.

The spelling of 85925842761 in words is "eighty-five billion, nine hundred twenty-five million, eight hundred forty-two thousand, seven hundred sixty-one".