85678527690 has 48 divisors (see below), whose sum is σ = 254587627008. Its totient is φ = 19583663328.

The previous prime is 85678527677. The next prime is 85678527707. The reversal of 85678527690 is 9672587658.

85678527690 is a `hidden beast` number, since 8 + 567 + 8 + 5 + 2 + 7 + 69 + 0 = 666.

It is a super-2 number, since 2×85678527690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67998202 + ... + 67999461.

It is an arithmetic number, because the mean of its divisors is an integer number (5303908896).

Almost surely, 2^85678527690 is an apocalyptic number.

85678527690 is an abundant number, since it is smaller than the sum of its proper divisors (168909099318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85678527690 is a wasteful number, since it uses less digits than its factorization.

85678527690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135997683 (or 135997680 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 85678527690 in words is "eighty-five billion, six hundred seventy-eight million, five hundred twenty-seven thousand, six hundred ninety".