90722807061 has 8 divisors (see below), whose sum is σ = 121496623584. Its totient is φ = 60215430960.

The previous prime is 90722807023. The next prime is 90722807117. The reversal of 90722807061 is 16070822709.

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

It is not a de Polignac number, because 90722807061 - 2⁹ = 90722806549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90722887061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66609310 + ... + 66610671.

It is an arithmetic number, because the mean of its divisors is an integer number (15187077948).

Almost surely, 2^90722807061 is an apocalyptic number.

It is an amenable number.

90722807061 is a deficient number, since it is larger than the sum of its proper divisors (30773816523).

90722807061 is a wasteful number, since it uses less digits than its factorization.

90722807061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133220211.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 90722807061 in words is "ninety billion, seven hundred twenty-two million, eight hundred seven thousand, sixty-one".