99542217270 has 64 divisors (see below), whose sum is σ = 249337833984. Its totient is φ = 25385437440.

The previous prime is 99542217263. The next prime is 99542217301. The reversal of 99542217270 is 7271224599.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4488429 + ... + 4510551.

It is an arithmetic number, because the mean of its divisors is an integer number (3895903656).

Almost surely, 2^99542217270 is an apocalyptic number.

99542217270 is an abundant number, since it is smaller than the sum of its proper divisors (149795616714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99542217270 is a wasteful number, since it uses less digits than its factorization.

99542217270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28677.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 99542217270 in words is "ninety-nine billion, five hundred forty-two million, two hundred seventeen thousand, two hundred seventy".