85088378501 has 4 divisors (see below), whose sum is σ = 97243861152. Its totient is φ = 72932895852.

The previous prime is 85088378497. The next prime is 85088378503. The reversal of 85088378501 is 10587388058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85088378501 - 2² = 85088378497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85088378503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077741315 + ... + 6077741328.

It is an arithmetic number, because the mean of its divisors is an integer number (24310965288).

Almost surely, 2^85088378501 is an apocalyptic number.

It is an amenable number.

85088378501 is a deficient number, since it is larger than the sum of its proper divisors (12155482651).

85088378501 is a wasteful number, since it uses less digits than its factorization.

85088378501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155482650.

The product of its (nonzero) digits is 2150400, while the sum is 53.

The spelling of 85088378501 in words is "eighty-five billion, eighty-eight million, three hundred seventy-eight thousand, five hundred one".