85406292402 has 32 divisors (see below), whose sum is σ = 174262916160. Its totient is φ = 27896793600.

The previous prime is 85406292347. The next prime is 85406292457. The reversal of 85406292402 is 20429260458.

It is an interprime number because it is at equal distance from previous prime (85406292347) and next prime (85406292457).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274599 + ... + 496202.

It is an arithmetic number, because the mean of its divisors is an integer number (5445716130).

Almost surely, 2^85406292402 is an apocalyptic number.

85406292402 is an abundant number, since it is smaller than the sum of its proper divisors (88856623758).

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

85406292402 is a wasteful number, since it uses less digits than its factorization.

85406292402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771178.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 85406292402 in words is "eighty-five billion, four hundred six million, two hundred ninety-two thousand, four hundred two".