85407769470 has 32 divisors (see below), whose sum is σ = 205012946592. Its totient is φ = 22771594112.

The previous prime is 85407769457. The next prime is 85407769507. The reversal of 85407769470 is 7496770458.

It is a self number, because there is not a number n which added to its sum of digits gives 85407769470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53577 + ... + 416756.

It is an arithmetic number, because the mean of its divisors is an integer number (6406654581).

Almost surely, 2^85407769470 is an apocalyptic number.

85407769470 is an abundant number, since it is smaller than the sum of its proper divisors (119605177122).

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

85407769470 is a wasteful number, since it uses less digits than its factorization.

85407769470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476396.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 85407769470 in words is "eighty-five billion, four hundred seven million, seven hundred sixty-nine thousand, four hundred seventy".