90472497948 has 144 divisors (see below), whose sum is σ = 279327170304. Its totient is φ = 24101245440.

The previous prime is 90472497937. The next prime is 90472497959. The reversal of 90472497948 is 84979427409.

90472497948 is a `hidden beast` number, since 90 + 472 + 4 + 9 + 79 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (90472497937) and next prime (90472497959).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359703 + ... + 557073.

It is an arithmetic number, because the mean of its divisors is an integer number (1939772016).

Almost surely, 2^90472497948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90472497948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139663585152).

90472497948 is an abundant number, since it is smaller than the sum of its proper divisors (188854672356).

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

90472497948 is a wasteful number, since it uses less digits than its factorization.

90472497948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197512 (or 197507 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 90472497948 in words is "ninety billion, four hundred seventy-two million, four hundred ninety-seven thousand, nine hundred forty-eight".