90842562802 has 8 divisors (see below), whose sum is σ = 137668626396. Its totient is φ = 44953020672.

The previous prime is 90842562791. The next prime is 90842562821. The reversal of 90842562802 is 20826524809.

It is a Cunningham number, because it is equal to 549⁴+1.

It can be written as a sum of positive squares in 2 ways, for example, as 90842562801 + 1 = 301401^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234130123 + ... + 234130510.

Almost surely, 2^90842562802 is an apocalyptic number.

90842562802 is a deficient number, since it is larger than the sum of its proper divisors (46826063594).

90842562802 is a wasteful number, since it uses less digits than its factorization.

90842562802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468260732.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 90842562802 in words is "ninety billion, eight hundred forty-two million, five hundred sixty-two thousand, eight hundred two".