90080078 has 8 divisors (see below), whose sum is σ = 147403800. Its totient is φ = 40945480.

The previous prime is 90080077. The next prime is 90080099. The reversal of 90080078 is 87008009.

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

It is a super-2 number, since 2×90080078² = 16228840904972168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90080071) 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, 2047253 + ... + 2047296.

It is an arithmetic number, because the mean of its divisors is an integer number (18425475).

Almost surely, 2^90080078 is an apocalyptic number.

90080078 is a deficient number, since it is larger than the sum of its proper divisors (57323722).

90080078 is a wasteful number, since it uses less digits than its factorization.

90080078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094562.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 90080078 is about 9491.0525232979. The cubic root of 90080078 is about 448.2733470812.

The spelling of 90080078 in words is "ninety million, eighty thousand, seventy-eight".