90007000084 has 12 divisors (see below), whose sum is σ = 157531537408. Its totient is φ = 44997989400.

The previous prime is 90007000081. The next prime is 90007000091. The reversal of 90007000084 is 48000070009.

90007000084 = T₂₄₄₉₅₇ + T₂₄₄₉₅₈ + T₂₄₄₉₅₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90007000081) 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, 1340802 + ... + 1406329.

Almost surely, 2^90007000084 is an apocalyptic number.

90007000084 is the 244959-th centered triangular number.

It is an amenable number.

90007000084 is a deficient number, since it is larger than the sum of its proper divisors (67524537324).

90007000084 is a wasteful number, since it uses less digits than its factorization.

90007000084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755326 (or 2755324 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 90007000084 in words is "ninety billion, seven million, eighty-four", and thus it is an aban number.