88457209090 has 8 divisors (see below), whose sum is σ = 159222976380. Its totient is φ = 35382883632.

The previous prime is 88457209073. The next prime is 88457209091. The reversal of 88457209090 is 9090275488.

It can be written as a sum of positive squares in 2 ways, for example, as 80234528049 + 8222681041 = 283257^2 + 90679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (88457209091) 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, 4422860445 + ... + 4422860464.

Almost surely, 2^88457209090 is an apocalyptic number.

88457209090 is a deficient number, since it is larger than the sum of its proper divisors (70765767290).

88457209090 is a wasteful number, since it uses less digits than its factorization.

88457209090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8845720916.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 88457209090 in words is "eighty-eight billion, four hundred fifty-seven million, two hundred nine thousand, ninety".